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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.
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.
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.
N humans what is chromosome pair 23 called?
sex chromosomes
How many chromatids are involved in crossing over of a homologous pair of chromosomes?
four two in each chromosome
What chromosomes do human have 22 of?
The chromosomes number1- 22 is called autosomes and pair number 23 is called as sex chromosome.
What chromosomes are autosomes?
The 44 chromosomes that are not sex chromosomes. 1st through the 22nd pair. The X and Y chromosomes are the only chromosomes not autosomes.
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
Do human body cells have 8 chromosome?
No, they have 46 chromosomes. (23 pairs) 22 pairs of autosomes 1 pair of sex chromosomes
How many pairs of chromosome's do humans have?
There are 23 pairs of chromosomes in the cell, or 46 total. 1 pair of them are sex chromosomes and the rest are called autosomes. There are 50-75 trillion cells in the human body. That means there are about 1,550,000,000,000,000- 1,725,000,000,000,000 pairs of chromosomes in the human body. The sex chromosomes in human, denoted X and Y, are only truly a pair in females (XX). So some people consider humans to all have 22 pairs chromosomes and 2 sex chromosomes.
