Grosse Pointe Public Schools
Genetics Chapter Review: Due the Day of the TestName:________________________What is genetics?Who is Gregor Mendel?Explain each of Mendel’s hypotheses.Principle of Independent Assortment:Principle of Dominance:Principle of Segregation:Define:Allele:Heterozygous:Homozygous:Recessive:Dominant:Relate an allele to a gene and a gene to a trait.Describe the difference between a phenotype and a genotype.If two heterozygous individuals for six fingers mate what will be the possible genotypic and phenotypic ratios.Genotypic Ratio:_________________________Phenotypic Ratio:________________________Explain why it is redundant to say homozygous recessive.How many traits are crossed in a monohybrid cross? _________Dihybrid cross?_____________Describe Co-Dominance:Give an Example:Describe Incomplete Dominance (Intermediate Inheritance)Give an Example:Describe what it means for a trait to be made up of multiple alleles.List the blood types (both phenotype and genotype):What is polygenic inheritance? Given an example.What is the P generation? F1 generation? F2 generation?Define sex-linked. What is a trait that is sex linked? How do you write the genotype for a sex-linked trait?Describe what a carrier is.What is a pedigree? How are they used?How does probability apply to genetics?How do meiosis and genetics relate?A mother is a carrier for colorblindness and her husband is not colorblind. a. What is the chance they will have a color blind son? Show your work.8. Yellow and white-colored mice are homozygous, while cream-colored mice are heterozygous. If two cream-colored mice mate, what phenotypic ratio can we expect of their offspring? Show the Punnett Square.a. Incomplete or co-dominance:__________________________________For Questions 23-31, use the pedigree chart shown below. Some of the labels may be used more than once.358203563500________ 23. A male 24. A female__________ 25. A relationship26. A person who expresses the trait 27. A person who does not express the trait28. A connection between parents and offspring________ 29. How many generations are shown on this chart?Assuming the chart above is tracing the dominant trait of "White Forelock (F)" through the family. F is a tuft of white hair on the forehead.________30. What is the most likely genotype of individual “A”? (FF, Ff or ff?)________31. What is the most likely genotype of individual “C”? (FF, Ff or ff?)83947034226500A typical pedigree for a family that carries Falconi anemia. Note that carriers are not indicated with half-colored shapes in this chart.32. What is Arlene's genotype?33. What is George's genotype?34. What are Ann & Michael's genotypes?35. Most likely, Sandra's genotype is . 36. List three people from the chart (other than George) who are most likely carriers of Falconi anemia._____________________________________________________________ ................
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