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Color blindness is a sex linked recessive trait

Jennifer Grzywa Bills

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4 years ago

Color blindness is a sex linked recessive trait

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bio_man

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4 years ago

Hi Jennifer Grzywa Bills

Questions 5 through 8, correct?

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Jennifer G. Author

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4 years ago

Yes 5-8

5. Fill out the pedigree above by labeling each individual genotype. Remember you can never know 100% for sure a female is XBXB so label the unknown as XBX_. You will be able to determine all males.

6. How can individual 31 have colorblindness while individual 32 does not?

7. Since individual 19 is male and is not colorblind this means that the allele for the colorblindness reentered his lineage at some point. Which individual reintroduced the allele? How do you know?

8. If individual 26 has a child with a colorblind woman what would be the possible genotypes and phenotypes? What are the probabilities for each?

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