Complete dominance at both gene pairs, however, when either gene is dominant, it hides the effect of the other gene. O Complementary Gene Interaction O Dominant Epistasis O Recessive Epistasis O Dominant Suppression
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- Having a widows peak is dominant W to not having one (ww)Having attached earlobes is a recessive trait (ee)- Jack and Jill are heterozygous for both traits.What's the probability of them having a child with a widow's peak and attachedearlobes?Unattached earlobes (E) are dominant over attached earlobes (e) [Figure (a) and (b)]. If a woman with unattached earlobes and a man with attached earlobes have children, what percentage of their children has the possibility of having unattached earlobes if the mother is homozygous for the trait?In humans, unattached earlobes (E) are dominant to attached earlobes (e). If a child is born with unattached earlobes, and a mother with attached earlobes, and a dad with unattached earlobes, what is genotype of the dad? O a. EE or Ee O b. ee O c. Ee O d. Ee or ee O e. EE
- Suppose a maternal effect gene exists as a functional dominantallele and a nonfunctional recessive allele that causes a disorder.A mother with the disorder produces offspring that are all withoutthe disorder. Explain the genotype of the mother.tongue rolling (T) is dominant over non-tongue rolling (t). Right handedness (R) is dominantover left (r). A non-tongue rolling, left-handed woman marries a tongue rolling, right-handedman who is heterozygous for both traits. What are the possible genotypes and phenotypes of theoffspring?In humans, a widow’s peak hairline (H) has complete dominance over the straight hairline (h).What is the genotype for an individual that homozygous dominant for this trait
- If a human who is a tongue roller (T) and has unattached ear lobes (E) marries a person who cannot roll their tongue and has attached earlobes, could they produces an offspring that was also a non-tongue roller with attached earlobes? What would be the genotype of the first parent? the second parent? A)yes; TtEE:ttEeB)no; TTEE:tteeC)yes;TtEe:tteeAttached earlobes is recessive while “Free” earlobes is dominant. Determine the phenotypes for both you and your partner. What genotypic and phenotypic ratios would you expect in your offspring?Suppose a maternal effect gene exists as a functional dominantallele and a nonfunctional recessive allele. A mother who is phenotypically abnormal produces all normal offspring. Explain thegenotype of the mother
- In cats, the gene for short hair (H) is dominant over the gene for long hair (h). MS. G's cat, Maggie, is homozygous dominant. Can she have kittens with long hair? Explain why or why not.Huntington’s disease, is an incurable neurodegenerative genetic disorder that affectsmuscle coordination and some cognitive functions, typically becoming noticeable inmiddle age. It results from an autosomal dominant gene (H) and there are no carriers ofthe disease. Two parents with Huntington’s disease have an affected child. What is theprobability that their next child will be an unaffected girl if they are not double-dominant?which alleles are dominant and which are recessive