In a pedigree,an X-linked trait will exhibit a recognizable pattern of inheritance because
A)females carry one X and one Y chromosome and males carry one X and one Y chromosome
B)females carry two X chromosomes and males carry one X and one Y chromosome
C)females carry two X chromosomes and males carry two Y chromosomes
D)females carry two Y chromosomes and males carry one X and one Y chromosome

Question

Quizplus · Accepted Answer

X-linked traits are carried on the X chromosome. Females have two X chromosomes while males have one X and one Y chromosome. Therefore, the pattern of inheritance of an X-linked trait will be easily recognizable because it will be expressed differently in males and females due to their differences in sex chromosomes.

In a Pedigree,an X-Linked Trait Will Exhibit a Recognizable Pattern