Quiz Bio161 Q1 The theory that holds that information from the soma is collected in the germ cells or gametes is called Pre formationism Blending theory Spermism Ovism Pangenesis Q2 What does the first law of Mendel predict about the gametes of an individual with genotype Aa ID: 772449
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Quiz Bio161
Q1. The theory that holds that information from the soma is collected in the germ cells or gametes is called Pre- formationism.Blending theory.Spermism.Ovism.Pangenesis.
Q2. What does the first law of Mendel predict about the gametes of an individual with genotype Aa? ½ A and ½ a gametes. Aa gametes are formed.3A for every 1a.They form a Punnett square.AA, Aa, and aa gametes are formed.
Q3. If red is dominant over white and a cross between a white male yields all red offspring, the female must be AA. Aa.aa.
Q4. The distance a red kangaroo can jump is determined by 3 genes (traits) each of which have an allele that contributes to the distance (capital letter) and an allele that does not (small letter). How many distance classes are there among the kangaroos? 3 . C. 5. E. 7. 4. D. 6.
Q5. In a population of fruit flies eye color has 12 different alleles. Any given fly will have ______ copies of eye color. 2 .4.8.12.24.
Q1. The probability that an individual with the genotype MmNnPp will produce a gamete containing simultaneously M,N, and P is0.1/8.1/4.1/2.1.
Q2. What cross yields a phenotypic ratio of offspring of 3 A-B-, 1 A-bb, 3 aaB -, and 1 aabb?AaBb x aabb.AaBb x aaBb.AaBb x AaBb . AaBb x Aabb . AaBb x AABb .
Q3. You cross a female with genotype ( AabbCc) with a male of genotype (aaBbCc). What is the probability of obtaining an aaB-C- male kitten?3/4.1/8.3/16.3/32.1/64.
Q4. For a penta-hybrid cross you calculate C 2 = 7.79. The C2 value for p = 0.05 is 9.488. You Accept the model, because p>0.05.Accept the model, because p<0.05.Reject the model, because p>0.05.Reject the model, because p<0.05.
Q5. Leg feathering in chickens is a polygenic trait? A hybrid cross of two chickens with leg feathering produces 15 chicks with and 1 chick without leg feathers. What is the ratio of feathered and non-feathered chicks in the corresponding test cross?1:1.1:1:1:1.9:3:3:1.15:1.3:1.
Q. Ovists hold that
Q. Antoon van Leeuwenhoek was a(n)Pre-formationist.Blender.Lamarckist.Spermist.Ovist.
Q. Inheritance of acquired traits is called Pre- formationism.Blending.Spermists.Ovists.Lamarckism.
Q. Weissman cut the tails of successive generations of mice to disprovePre-formationism.Blending.Spermism.Ovism.Lamarckism.
Q. How many genotypically different gametes are formed by AaBbCc?1.2.4.6.8.
Q. What are the gametes produced by AaBb ?A, B, a, b.AA, Aa, aa, BB, Bb, bb.AB, Ab, aB, ab.A-B-, A-bb, aaB-, aabb.
Q. In turnips, shape is a trait with incomplete dominance between alleles. If a cross between a long and a round turnip yields all oval offspring, the number of alleles is 1. 2.3.
Q. If a single trait cross yields three different phenotypes, there must be _______ dominance between the alleles. complete. incompleteco- .Mendelian.Reduction.
Q. A cross resulted in 27 straight-black and 9 curly-red pups. The genotype of the parents is AaBb x AaBb.AA x aa.Aa x aa.Aa x Aa.Aa x aa.
Q. The distance red kangaroos of a population jump forms a bell-shaped curve. Distant jumped is a Dominant trait. Co-dominant trait.Polymorphic trait.Mendelian trait.Polygenic trait.
Q. Traits that have more than two alternative forms are called P olygenic.Polymorphic.Polyarchic.Polyarthritic.Polyphenic.
Q. The cross that yields half of the offspring with the parental and half with the heterozygous phenotype is AA x aa. AA x Aa.Aa x Aa.aa x aa.Aa x bb.
Q. In horses, a chestnut stallion and a white mare have a roan foal. Between the coat color alleles there is Complete dominance. Polygenic dominance.Polymorphic dominance.Incomplete dominance.Co-dominance.
Q. If the alleles of a trait are co-dominant what is the df of the corresponding C2 –test?1.2.3.
Q. How many terms are there in C 2 of a monohybrid cross with incomplete dominance between the alleles?1.2.3.4.5.
A true-breeding plant is one that Produces offspring that are different from the parents. Forms hybrid offspring through cross pollination.Produces offspring that are always the same as the parents.Can only reproduce with itself.Produces offspring that never lie.
A true-breeding plant is one What property distinguishes Mendel’s investigation from previous studies? He Used true-breeding pea plants. Quantified his results.Examined many different traits.Examined the segregation of traits.As amonk, he prayed a lot.
Alternative forms of genetic information for a trait are called alleles. Genes.Factors.Heterozugotes.Diploids.
W hen Mendel crosses yellow and green peas all the offspring were yellow. What was actually transmitted from parents to offspring? A fluid called a ‘gemule’.Similarity in appearance, size and other features.Specialized cells of different organs and structures of the parent plants.Yellow and green pigment.Encoded information that determines the potential to develop pea color.
A An organism’s ____ is determined by its _______ A llelotype; genotype.Genotype; phenotype.Genotype; allelotype.Phenotype; genotype.Allelotype; phenotype.
Which of the crosses produces progeny of the recessive phenotype? Ww x WW.WW x ww.WW x Ww.WW x WW.Ww x Ww .
The shape of radishes may be long, round, or oval. A cross between long and round radishes produces oval offspring. The phenotypic ratio of the offspring of a cross between two oval-shaped parents is 1 round: 2 oval: 1 long. 1 long: 2 round: 1 oval.1 round: 2 long: 1 oval.3 long: 1 round.2 oval: 2 round.
The coat color of the rabbit can be black, brown, gray, silver, himalayan , or albino. Of the coat color trait any given rabbit may have as genotypeNone of the different alleles.A single allele.Only 2 of the different alleles.Any combination of 1, 2, or more of the different alleles.All the different alleles.
If two individuals heterozygius for two genes are crossed, this would be called aDouble zygote cross.Hybrid cross.Test cross.Dihybrid cross.F1 cross.
The observable outward manifestation of the genes of an individual is referred to as its Genotype. phenotype.archetype.idiotype.Morphotype.
Co-dominance reflects the interaction between alleles of A single trait. Different traits.Many traits.Dominant traits.Recessive traits.
Whereas organisms are _____ their gametes are _____. Diploid; polyploid.Polyploid; haploid.Polyploid; diploid.Diploid; haploid.Big, small.
By shopping off the tails of several generations of mice, August Weismann dispelled with the _______ theory. I nheritance.Preformationism.Ovism.Evolution.Lamarckism.Blending.Mendel.
What is the probability that an offspring of a trihybrid cross will have the phenotype aqaB -cc?3/64.9/16.1/64.5/12.27/64.
A phenotype that shows continuous variation among the individuals of a population is called Polymorphic. Polygenic.Polyploid.Dominant.Pleiotrophic.
If a population contains 75 short-haired and 25 long-haired cats, the frequency of the recessive allele (long-hair) of the parents is 0.75. 0.25.0.50.0.05.1.00.
In hamsters black is dominant over brown. Allele frequency of black is 0.4 and of brown is 0.6. How many brown animals do you expect in next year’s population of 100 animals? 16. 36.60.84.75.
In hamsters black is dominant over brown. Allele frequency of black is 0.4 and of brown is 0.6. How many black animals do you expect in next year’s population of 100 animals? 16. 36.60.84.75.
Y ou have compared the phenotypic ratio of the offspring to that predicted by a dihybrid cross. You calculated P>0.05. P is the probability With which the dihybrid model by chance alone correctly explains the cross.That you are correct by chance alone when you accept the results of the test.Of obtaining a dominant phenotype in a dihybrid cross.With which observed and predicted number of phenotypes differ by chance alone.Of obtaining by chance alone a chi-square value such as you calculated between observed and predicted values.
Q. What is the phenotypic ratio of offspring of a test cross if the phenotypic ratio of the corresponding hybrid cross is 9:3:3:1? 1:1.1:1:1:1.3:1.15:1.9:3:1.
Q1. Flower color and plant size are assorted independently in violets. Let W be purple flowers an w white flowers, and D be tall plants and d be dwarf plants. What combination of gametes is produced by an individual heterozygous for both traits? WwDd .Ww and Dd.W, w, D, and d.WD, Wd, wD, and wd.None, such a plant does not produce gametes.
Q. Hair length and hair color of cats are inherited following Mendel’s laws. Short hair (L) is dominant over long hair (l) and black (B) is dominant over blue (b). What is the phenotype of the parent that produce 9 black short-haired, 3 blue short-haired, 3 black long-haired, and 1 blue long-haired kitten? Blue long-haired x blue long-haired.Black short-haired x blue long-haired.Black long-haired x blue short-haired.Black long-haired x blue long-haired.Black short-haired x black short-haired.
Q. According to Mendel’s law of inheritance Genes exist in pairs and the members of a pair separate during gamete formation.Genes exist in pairs on the same chromosome.Both members of a gene pair always go to the same gamete.The members of one pair are dependent on the other gene pair for their segregation.Alleles of a pair differ in their location on the homologous chromosome.
Q. An organism has the genotype AaBb. According to Mendel’s law of independent inheritance, which of the following gametes will this organism produce?½ with A and a, but none with B or b.½ with A and B together, and ½ with a and b together.¼ with a and b together, ¼ with a and B together, ¼ with A and b together, and ¼ with A and B together.All with all four alleles.Equal numbers of primary AB and ab.
Q. When two haploid gametes that fuse to form a zygote contain two different alleles of a given gene, the offspring is said to be Recessive.Haploid.Unable to survive.Homozygous.Heterozygous.
Q. Short hair (A) in rabbits is dominant over long hair (a). In a litter of 12 offspring all pups have short hair. What is the genotype of the parents? Aa x Aa.Aa x aa.AA xaa.aa x aa.
Q. What is the probability of obtaining an individual with the genotype CC from a cross between individuals with Genotype CC and Cc? 0.1/8.1/4.1/2.1.
Q. In cats, black coat color is dominant over blue. A female black cat whose motherr is blue mates with a blue male. If this black female has a litter of six kittens, how many kittens are expected to be blue?3.21none.all.
Q. What cross yields a phenotypic ratio of offspring of 3 A-B-, 3 A-bb, 1 aaB -, and 1 aabb?AaBb x AaBb.AaBb x aabb.AaBb x aaBb . AaBb x Aabb . AaBb x AABb .
In peas, seeds may be round (R) or wrinkled (r). What proportion of the offspring in the following crosses would be expected to be wrinkled? RR x rrRr x RrRr x rr
In peas, seeds can be round (R) or wrinkled (r) and either yellow (Y) or green (y). Stem length may result in a tall (T) or dwarf (t) plant. In the cross (parent A) TTYyRr x TtYyRr (Parent B), how many different types of gametes can be produced by each parent and how many different phenotypes are possible from the cross?
In peas, seeds can be round (R) or wrinkled (r) and either yellow (Y) or green (y). Stem length may result in a tall (T) or dwarf (t) plant. In the cross (parent A) TTYyRr x TtYyRr (Parent B), what proportion of the offspring would be tall with yellow, wrinkled seeds?
In peas, seeds can be round (R) or wrinkled (r) and either yellow (Y) or green (y). Stem length may result in a tall (T) or dwarf (t) plant . In the cross TtYYRr x ttYYrr what proportion of the offspring would be expected to be tall plants with round, yellow seeds?
Assume that D, E, F, G, H, and I are autosomal genes on different chromosomes. From the mating (parent A) DdeeFfGGHhIi x (parent B) DdEEFFGgHhii:What is the probability that one of the offspring will have the genotype DdEeFFGghhIi?
Assume that D, E, F, G, H, and I are autosomal genes on different chromosomes. From the mating (parent A) DdeeFfGGHhIi x (parent B) DdEEFFGgHhii:What is the probability that one of the offspring will be heterozygous for each allele?
Assume that D, E, F, G, H, and I are autosomal genes on different chromosomes. From the mating (parent A) DdeeFfGGHhIi x (parent B) DdEEFFGgHhii:How many different kinds of gametes can be produced by each parent
In horses, RR = red, Rr = roan, and rr = white. What are the predicted color phenotypes and their frequencies for the offspring from crosses between:a red bstallion and a white mare. a red stallion and a roan mare. a roan stallion and a roan mare.
In pea plants: Y (yellow) is dominant to y (green), R (round) is dominant to r (wrinkled), B (bitter) is dominant to b (sweet), S (smooth) is dominant to s (hairy), L (long pod) shows incomplete dominance to 1 (short pod) (Ll is medium in length). Given this cross: (P) Yy Rr Bb SS Ll (male) x yy RR Bb Ss Ll ( female) a . How many different gametes can be formed by the female plant?
In pea plants: Y (yellow) is dominant to y (green), R (round) is dominant to r (wrinkled), B (bitter) is dominant to b (sweet), S (smooth) is dominant to s (hairy), L (long pod) shows incomplete dominance to 1 (short pod) (Ll is medium in length). Given this cross: (P) Yy Rr Bb SS Ll (male) x yy RR Bb Ss Ll ( female) b . How many different genotypes are possible in the F1 offspring ?
In pea plants: Y (yellow) is dominant to y (green), R (round) is dominant to r (wrinkled), B (bitter) is dominant to b (sweet), S (smooth) is dominant to s (hairy), L (long pod) shows incomplete dominance to 1 (short pod) (Ll is medium in length). Given this cross: (P) Yy Rr Bb SS Ll (male) x yy RR Bb Ss Ll ( female) c . How many different phenotypes are possible in the F1 offspring ?
In pea plants: Y (yellow) is dominant to y (green), R (round) is dominant to r (wrinkled), B (bitter) is dominant to b (sweet), S (smooth) is dominant to s (hairy), L (long pod) shows incomplete dominance to 1 (short pod) (Ll is medium in length). Given this cross: (P) Yy Rr Bb SS Ll (male) x yy RR Bb Ss Ll ( female) d . What percent of the F1 individuals will be: green , bitter, and smooth _______________.
In pea plants: Y (yellow) is dominant to y (green), R (round) is dominant to r (wrinkled), B (bitter) is dominant to b (sweet), S (smooth) is dominant to s (hairy), L (long pod) shows incomplete dominance to 1 (short pod) (Ll is medium in length). Given this cross: (P) Yy Rr Bb SS Ll (male) x yy RR Bb Ss Ll ( female) d . What percent of the F1 individuals will be: hairy , medium, and sweet ______________ .
In pea plants: Y (yellow) is dominant to y (green), R (round) is dominant to r (wrinkled), B (bitter) is dominant to b (sweet), S (smooth) is dominant to s (hairy), L (long pod) shows incomplete dominance to 1 (short pod) (Ll is medium in length). Given this cross: (P) Yy Rr Bb SS Ll (male) x yy RR Bb Ss Ll ( female) d . What percent of the F1 individuals will be round , bitter, and long _________________.
In humans, the ABO blood groups are controlled by three alleles: the alleles for A and B type blood are co-dominant toward each other, and both are dominant to the allele for O type blood.If a person with type AB blood marries someone with type O blood, what are the possible phenotypes of their offspring?
In humans, the ABO blood groups are controlled by three alleles: the alleles for A and B type blood are co-dominant toward each other, and both are dominant to the allele for O type blood.In the following, determine the genotypes of the parents:One parent has type A and the other has type B, but all four blood groups are represented in the children.
In humans, the ABO blood groups are controlled by three alleles: the alleles for A and B type blood are co-dominant toward each other, and both are dominant to the allele for O type blood.In the following, determine the genotypes of the parents:One parent has type AB and the other has type B, but of the children 1/4 have type A, 1/4 have type AB, and 1/2 have type B.
In humans, the ABO blood groups are controlled by three alleles: the alleles for A and B type blood are co-dominant toward each other, and both are dominant to the allele for O type blood. In the following cases of disputed paternity, determine the probable parent.Mother is type B, child is type O. Father #1 is A; father #2 is AB.
In humans, the ABO blood groups are controlled by three alleles: the alleles for A and B type blood are co-dominant toward each other, and both are dominant to the allele for O type blood. In the following cases of disputed paternity, determine the probable parent.Mother is type B, child is type AB. Father #1 is A; father #2 is B.