Let's consider a paternally imprinted gene. A female skink inherited alleles that that confer: 1) a mutant violet tail-color in the egg and 2) a mutant violet tail-color allele in the sperm. A male skink mate inherited a wild-type blue allele from the sperm and a mutant violet allele from the egg. They have 500 offspring. a. What tail color phenotypes do the parent male and parent female skinks have? Briefly explain your reasoning. female = male = b. What fraction of the offspring do you expect to have each phenotype (blue and violet tail color)? Briefly explain your reasoning/show your work.

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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**Genetics of Tail Color in Skinks**

Let's consider a *paternally imprinted* gene. A female skink inherited alleles that confer: 1) a mutant violet tail-color in the egg and 2) a mutant violet tail-color allele in the sperm. A male skink mate inherited a wild-type blue allele from the sperm and a mutant violet allele from the egg. They have 500 offspring.

**Questions:**

a. What tail color phenotypes do the parent male and parent female skinks have? Briefly explain your reasoning.

- **female =**
- **male =**

b. What fraction of the offspring do you expect to have *each* phenotype (blue and violet tail color)? Briefly explain your reasoning/show your work.
Transcribed Image Text:**Genetics of Tail Color in Skinks** Let's consider a *paternally imprinted* gene. A female skink inherited alleles that confer: 1) a mutant violet tail-color in the egg and 2) a mutant violet tail-color allele in the sperm. A male skink mate inherited a wild-type blue allele from the sperm and a mutant violet allele from the egg. They have 500 offspring. **Questions:** a. What tail color phenotypes do the parent male and parent female skinks have? Briefly explain your reasoning. - **female =** - **male =** b. What fraction of the offspring do you expect to have *each* phenotype (blue and violet tail color)? Briefly explain your reasoning/show your work.
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