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- True or False: Within a pedigree, a Y-linked trait of an affected father would ONLY pass it on to all the sons.___________________ alleles are always expressed in the presence of another allele. recessive dominantA type AB mother and type AB father will have offspring of what possible phenotypes? ___________
- It means both dominant and recessive traits heterozygous homozygous genotype phenotypeFor each phenotype, list the genotype(s): Widow’s peak (W) is dominant to a straight hairline (w). _______________ widow’s peak (homozygous) _______________ widow’s peak (heterozygous) _______________ straight hairlineA homozygous person is _______ Cell division that results in two identical daughter cells A physical trait that an individual exhibits The growth and development phase of the cell cycle An individual with two copies of the same allele for a specific trait
- In a disputed parentage case, a man is suspected to be the father of an illegitimate child. He is type A, the child type O, and the woman type B. Can he be the father of the child? Prove your answer through a diagram.On the left side of this figure, explain why the offspringdoes not have Prader-Willi syndrome but does have Angelman syndromeA gene with 2 sets of dominant genotype is a ____________ breed
- A phenotype is __________ Cell division that results in two identical daughter cells A physical trait that an individual exhibits The growth and development phase of the cell cycle An individual with two copies of the same allele for a specific trait A variant of a gene________ in a trait is indicated by a bell curve.When a white guinea pig is crossed to a yellow guinea pig, all the progeny are cream-colored. From a cross of two such F1’s, the F2 showed 32 white, 66 cream, and 30 yellow guinea pigs. How is this trait inherited? _______________ Identify the genotype of the white guinea pig. ________ Identify the genotype of the yellow guinea pig. ________ Identify the genotype of the cream-colored guinea pig. ________ Identify the genotypes and the corresponding phenotypes of the F2 progeny. Give the genotypic ratio. __________________ Give the phenotypic ratio. ___________________