PPT-Punnett

Squares Genetic Crosses Making Genetic Predictions Mendel found that you could predict the traits of a percentage of the offspring He invented and used the tool of a Punnett square . Our genes determine our traits or characteristics.. Your . genotype. (. Dd. ) or genetic makeup for a particular trait determines your . phenotype. (dimples) or physical appearance for that trait. . By C. Kohn, Agricultural Sciences. Waterford, WI. Review of Mendelian Genetics. In the simplest version of Mendelian genetics, every trait as at least two genes (one version of the gene contributed by each parent). . Heredity. The. passing of parents characteristics onto the offspring. Genetics is the branch of biology that studies heredity. Grego. r Mendel. Considered the father of genetics. Was an Austrian. monk that used pea plants to study heredity. Punnett Squares Notes representing the possible comb inations of alleles from the parents. It was then possible to predict the possible outcomes of the offspring. Before taking a closer look at Pu Essential Questions. 1. What is the difference between genotype and phenotype?. Give an example of a genotype and a phenotype.. 2. What does it mean if an organism is homozygous?. 3. What does it mean if an organism is heterozygous?. Other Patterns of Inheritance. Not all genes show a simple pattern of inheritance…. Many genes have more than two alleles. Many traits are controlled by more than one gene. Complete Dominance. Definition: . Compiled by: . Hailey . Haberman. Mendel’s Law of Inheritance. Genotypes, Phenotypes & Punnett Square. Objectives:. Explain . Gregor. Mendel’s laws of inheritance . Discuss the difference between genotypes and phenotypes. Cartoons of the Day! . Cartoons of the Day! . Cartoons of the Day! . Cartoons of the Day! . Problem #AW YEAH!. Three-fourths (3/4) of the plants produced by a cross between two unknown pea plants have axial flowers and ¼ have terminal flowers. What are the genotypes of the parent plants?. Multiple alleles. a . gene inheritance pattern in which . at least . three unique alleles are present for one trait. the . three alleles may interact with each . other . using any other pattern (Dominant/Recessive, Incomplete Dominance, Codominance, etc.). Exploring Unlinked Genes to Sex-Linked Genes. Overview. Autosomal Genes. Punnett squares. Dihybrid Crosses. Bigger Punnett squares.... Sex-Linked Genes. Thank your mom. The Allele . Any of the alternative versions of a gene that may produce distinguishable phenotypic effects.. Punnett Squares . To help explain how alleles were separated into gametes and rejoined, . Reginald Punnett . developed a visual tool to depict test crosses and show the offspring’s possible genotypes and phenotypes . Create a Venn diagram comparing phenotype and genotype: Use the . words physical appearance, genetic makeup, heterozygous, homozygous, describes an organism, purple, tall, Pp, green,pp. Describe the difference between complete dominance, incomplete dominance, and codominance. Genetics in Harry Potter ’s World Lesson 1 Phenotypes & Genotypes Dominant & Recessive Traits Punnett Square 1 Genetics in Harry Potter ? What types of inherited genetic traits are described in the One allele from a female egg is joined with one allele from a male sperm.. Probability and predicting inheritance. Since alleles for a trait separate during meiosis, we can use the laws of probability to predict genetic outcomes..