A common species of rats has individuals with white, black or grey coats. During a study of a rat with white coat was crossed with...

A common species of rats has individuals with white, black or grey coats. During a study of a rat with white coat was crossed with a rat with black coat. Both parents were pure lines. All the offspring in F1 generation had grey coats. Using letter B to represent the gene type for black coat and W for white coat, answer the questions that follow.
a) Suggest a reason to explain why there were no white or black rats in the F1 generation.
b)Name one trait in human beings that is determined by multiple allele.
c)Name one genetic disorder affecting the human eye

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a)Incomplete dominance/co dominance
b)A,B,O blood group system
c)colour blindness/red-green colour blindness.

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Githiari answered the question on January 17, 2018 at 09:32

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