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Why do sex-linked traits follow different patterns of inheritance than other traits?

A. Males only carry recessive alleles.
B. Females only have one X chromosome.
C. Females only carry dominant alleles.
D. Males only have one X chromosome.


Sagot :

Final answer:

Sex-linked traits exhibit unique inheritance patterns due to the genetic makeup of sex chromosomes, resulting in varying prevalence between males and females.


Explanation:

Sex-linked traits follow different inheritance patterns due to the arrangement of genes on sex chromosomes. Males have one X chromosome, so they express any recessive X-linked allele they inherit. Females, having two X chromosomes, need to inherit two copies of the recessive allele to show the trait. This distinction explains why X-linked recessive traits are more common in males than in females.


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