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What characteristic is used to give a chromosome pair a number?
The size of the chromosome pair determines its number. The largest chromosome pair is given the number 1, followed by the second-largest pair with the number 2, and so on.
What is the chromosome pair for a boy?
A boy has one X chromosome from the mother and one Y chromosome from the father, making his chromosome pair for gender determination XY.
How many chromosome and chromosome pairs in humans?
There are 46 chromosomes per cell, with 22 pairs and an XX pair for females or an XY pair for males.
In humans what are the chromosome pairs 1 through 22 called?
Chromosome pair 23 in humans is the pair of sex chromosomes. In females, both sex chromosomes are the X sex chromosome, and in human males one sex chromosome is the X and the other is the Y chromosome.
What is the term for the two sets of chromatids?
The term for the two sets of chromatids is sister chromatids. Sister chromatids are two identical copies of a single chromosome formed during the S phase of the cell cycle.
