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Arte-miy333 [17]
3 years ago
15

One result of x-linkage is a crisscross pattern of inheritance in which sons express recessive genes of their fathers and daught

ers express recessive genes of their mothers. one result of x-linkage is a crisscross pattern of inheritance in which sons express recessive genes of their fathers and daughters express recessive genes of their mothers.
a. True
b. False

Biology
1 answer:
AnnZ [28]3 years ago
8 0
False. Most x-linked conditions occur on the X chromosome, because the Y chromosome contains roughly 40 genes, and the conditions of X-linked diseases are primarily recessive.
A male with an X-linked disease will express the phenotype, only passing his X deformity to his daughters. The male will only pass his Y chromosome to his sons, leaving the expression of the X-linked disease in males to the inherited X from the mother. Women have two X chromosomes, receiving one from the mother, and one from the father.
If females express an X-linked recessive disease, it is due the inherited recessive X from both mom and dad.

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