Humans have 23 pairs of chromosomes. An offspring's sex is determined by the sex chromosomes, while the other 22 pairs of chromosomes are called __________
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Genes
Chromosomes that make up a pair; one from each parent
Fertilization
Segments that control the expression of traits
Homologous Chromosomes
Sex cells that have half the number of chromosomes
Gametes
Process where one gamete combines with another gamete
What are the sex chromosomes in humans?
Only Y chromosomes
Only X chromosomes
X and Y chromosomes
A and B chromosomes
Which sex chromosomes do females typically have?
Two X chromosomes
X and A chromosomes
One X and one Y
Two Y chromosomes
What is the male sex chromosome composition?
Two Y chromosomes
Two X chromosomes
Only X chromosomes
One X and one Y
What determines a person's biological sex at fertilization?
