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What is the expected phenotypic ratio of offspring from a cross between a female hemophiliac and a normal male?

A. 1:1 carrier females : hemophiliac males
B. 3:1 normal females : hemophiliac males
C. 1:1 hemophiliac females : normal males
D. 3:1 carrier females : normal males

Sagot :

GinnyAnsweridn

Final answer:

The expected phenotypic ratio of offspring from a cross between a female hemophiliac and a normal male is 1:1 carrier females:hemophiliac males.


Explanation:

In a cross between a female hemophiliac (XhXh) and a normal male (XY), the expected phenotypic ratio of offspring is 1:1 carrier females:hemophiliac males. This means that half of the daughters will be carriers of hemophilia, and half of the sons will have hemophilia.


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