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Chromosome pair 23?
Human cells have 23 pairs of chromosomes. One pair of sex chromosomes, and 22 pairs of autosomes.See en.wikipedia.org/wiki/Chromosome
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.
N humans what is chromosome pair 23 called?
sex chromosomes
How many of your chromosomes are sex chromosomes?
Out of 23 chromosome pairs one is the 'sex-linked' chromosome pair. The Answer is 1-out-of-23.
Which pair of chromesomes determines gender?
Chromosome pair 23 determines the gender of a human. These chromosomes will either be two X's for females, or an X and a Y for males.
How many chromosomes does a normal human diploid cell have?
22 pairs of autosomes, one X-chromosome, and one Y-chromosome
The exceptions to the rule that every chromosome is part if a homologous pair are the?
The exceptions to the rule that every chromosome is part of a homologous pair are the gametes. Gametes are eggs and sperm, and each cell has only 23 chromosomes, which form pairs in the zygote after fertilization.
What is having two chromosomes of each pair?
They are long strands of DNA when unraveled are over a meter long.
How many matching chromosome pairs do humans have?
Humans have 23 pairs of chromosomes, for a total of 46 chromosomes. This includes 22 pairs of autosomes and 1 pair of sex chromosomes.
How many pairs of sex chromosome in zygote of human?
A human zygote typically contains one pair of sex chromosomes, resulting in a total of 46 chromosomes. This pair determines the individual's sex: females have two X chromosomes (XX), and males have one X and one Y chromosome (XY).
What are the sex chromosomes in men and women?
X and Y are the human sex chromosomes. Normal females have XX, normal males have XY. In humans, it is the presence of a Y chromosome that makes a person male, not the ratio to or number of X chromosomes. (Therefore a person with XXY would be male).
The body cells of human males have what two chromosomes?
The body cells of most humans have 46 chromosomes, which can be arranged into 23 pairs. One chromosome in each pair comes from the mother and the other chromosome comes from the father. Of the 23 pairs, 22 pairs (the body chromosomes, or autosomes) are the same in males and females. The 23 rd pair, called the sex chromosomes, is different in males and females. In females, the sex chromosomes are the same and are called X chrosomes. In males, the sex chromosomes are different. One is an X chromosome (inherited from your mother or your father) and the other is a smaller chromosome called the Y chromosome (inherited from your father). So, the two chromosomes which are found in human males (but not human females) are the sex chromosomes, X and Y. See: http://biology.about.com/library/weekly/aa091103a.htm
