Allen learned in his college biology class that, with respect to the sex chromosomes, the X chromosome is larger than the Y chromosome and has more genes.
The sex chromosome is the chromosome that is used for sex determination and which is different in male and female.
The sex chromosome found on human being are the X and Y chromosomes which appear in a combination of:
The X chromosome is bigger than the Y chromosomes because it contains more number of genes.
Learn more about Chromosomes here:
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