Which of the following is not true of sex-linked genes?
A. There are more genes on the X chromosome than on the Y chromosome.
B. If a male inherits a recessive allele on his X chromosome it will not be expressed in his phenotype
C. X-linked traits are less likely to be expressed in females than they are in males, as females have two copies of the X chromosome.
D. If a male carries an allele for a particular disease on his X chromosome, he will only be able to pass on that abnormal X-linked trait to his daughters.
Select your answer:
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