PPT-PARTHENOGENESIS Parthenogenesis:

Parthenogenesis is a type of asexual reproduction in which a female gamete or egg cell develops into an individual without fertilization or Parthenogenesi s is defined as unfertilized ovum development without fertilization. parthenos. "virgin. " and . genesis . ". creation". Reproduction. . without. . fertilization. Parthenogenesis. More specifically, it occurs when a female gamete develops a new individual without being fertilized by a male gamete. . without fertilization by a male, is rare in ver- tebrate species, which usually reproduce after fusion of male and female gametes. Here we use genetic fingerprinting to identify parthe- nogenetic of The . disadvantages and advantages of sexual . reproduction. CfE. . Advanced Higher Biology. Unit . 2: . Organisms and Evolution. SQA mandatory key information. Disadvantages of sexual reproduction – males unable to produce offspring, only half of each parent’s genome passed onto offspring. Benefits outweigh disadvantages due to increase in genetic variation in the population. . . . ‘No fertilization’ :. HISTORY OF PARTHENOGENESIS:. Parthenogenesis was first recognized in 1745 by CHARLES BONNET {SWISS,1720-1793}.. JACQUES LOEB {German,1859-1924} stimulated parthenogenesis in sea urchin and frog eggs by artificial means in 1900.. Asexual Reproduction. Asexual reproduction. is reproduction in which a single parent has offspring that are genetically identical to the parent.. Examples of asexual reproduction. : binary fission, budding, fragmentation, regeneration, spore formation, vegetative reproduction and parthenogenesis. reproduction: . The . disadvantages and advantages of sexual . reproduction. CfE. . Advanced Higher Biology. Unit . 2: . Organisms and Evolution. SQA mandatory key information. Disadvantages of sexual reproduction – males unable to produce offspring, only half of each parent’s genome passed onto offspring. Benefits outweigh disadvantages due to increase in genetic variation in the population. .