Question

an error in gamete formation results in a zygote with an xxy chromosome combination. which characteristic of an individual is affected by this combination?
cellular respiration
gender - linked traits
muscle protein structure
nervous system formation

Explanation:

Chromosomes contain genes that determine various traits. The X and Y chromosomes are sex chromosomes. Gender - linked traits are determined by genes on the sex chromosomes. An abnormal combination of sex chromosomes (XXY) would directly affect gender - linked traits. Cellular respiration, muscle protein structure, and nervous system formation are not directly related to the sex chromosome combination in terms of their primary genetic determination.

Answer:

gender - linked traits