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A farmer crosses a black rooster with a white hen. Of the seven offspring, three are black, three ...

Jess8219

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3 years ago

A farmer crosses a black rooster with a white hen. Of the seven offspring, three are black, three ...

Q; A farmer crosses a black rooster with a white hen. Of the seven offspring, three are black, three are speckled black and white, and one is white.
a) What can you infer about the inheritance patterns of the alleles for white and black feathers?
b) Given the inheritance pattern you described in part (a), what are the expected genotypes and phenotypes of the offspring produced by a cross between a speckled hen and a black rooster?

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bio_man

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Jess8219 Author

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3 years ago

Hi!, I think for b) you were incorrect.. I copied down the solution from the textbook.

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bio_man

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Educator

3 years ago

Hi there

The solutions match.

1:1 means 50%:50%

They use RBRW and RBRB, I used RR and Rr

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Jess8219 Author

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3 years ago

so overall, the alleles for coat colour have 1 possible phenotype and 1 possible genotype?

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bio_man

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Educator

3 years ago

2 possible phenotypes, black and speckled, and two possible genotypes

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Dolledup

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3 years ago

Thank you

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brook

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3 years ago

....

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jajs

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3 years ago

thank you

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JJr W.

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2 years ago

thank you

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cassie5927592

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#10

2 years ago

thank you

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Mohammed A.

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#11

5 months ago

Post Merge: 5 months ago

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andresgs04

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#12

4 months ago

Thanks

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