how many chromosomes does human being have?
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Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.
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Humans are born with 46 chromosomes in 23 pairs. The X and Y chromosomes determine a person's sex. Most women are 46XX and most men are 46XY.
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There is a set of 46 chromosomes (for reproduction) in every human being. So, 22 perfect pairs of chromosomes are found in the father of a girl as one pair of chromosomes is odd, called the sex chromosomes .
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For example, humans are diploid (2n) and have 46 chromosomes in their normal body cells. These 46 chromosomes are organized into 23 pairs: 22 pairs of autosomes and 1 pair of sex chromosomes.
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Each species has a characteristic set of chromosomes with respect to number and organization. For example, humans have 23 pairs of chromosomes--22 pairs of numbered chromosomes called autosomes, 1 through 22, and one pair of sex chromosomes, X and Y.
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How many chromosomes do people have? In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females.
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Each person has 23 pairs of chromosomes, or 46 in all. For each pair, you get one chromosome from your mother and one chromosome from your father. About 1 in 150 babies is born with a chromosomal condition.
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46 chromosomes in a human call, arranged in 23 pairs. These 46 chromosomes carry the genetic information that's passed from parent to child through heredity. It is the very detail of this genetic material – in the DNA – that makes most people (other than identical siblings) totally unique.
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Along the segments of our DNA, genes are neatly packaged within structures called chromosomes. Every human cell contains 46 chromosomes, arranged as 23 pairs (called autosomes), with one member of each pair inherited from each parent at the time of conception.
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All the cells of the human body except the gamete cells (sperm and egg) contain 46 (23 pairs) of chromosomes. The nerve cell of human beings are somatic cells and hence contain 46 chromosomes.
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Chromosomes Two-By-Two Chromosomes come in matching pairs, one pair from each parent. Humans, for example, have a total of 46 chromosomes, 23 from the mother and another 23 from the father. With two sets of chromosomes, children inherit two copies of each gene, one from each parent.
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Every human cell has 23 pairs of chromosomes for a total of 46 (aside from sperm and egg cells, which each contain only 23 chromosomes).
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Information. Chromosomes come in pairs. Normally, each cell in the human body has 23 pairs of chromosomes (46 total chromosomes). Half come from the mother; the other half come from the father.
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How many chromosomes and homologous pairs of chromosomes do humans have? How many autosomes and sex chromosomes? 46 total, 23 pairs. Autosomes, 22 pairs.
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Human somatic cells have 46 chromosomes consisting of two sets of 22 homologous chromosomes and a pair of nonhomologous sex chromosomes. This is the 2n, or diploid, state. Human gametes have 23 chromosomes or one complete set of chromosomes. This is the n, or haploid, state.
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Chromosomes also contain chemical substances that govern the function of genes. The human body consists of millions of cells; each cell (liver, intestinal etc) contains 23 pairs of chromosomes except for germ cells (egg and sperm) and red blood cells. Thus a total of 46 chromosomes are present in human cells.
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For humans, this means that during prophase and metaphase of mitosis, a human will have 46 chromosomes, but 92 chromatids (again, remember that there are 92 chromatids because the original 46 chromosomes were duplicated during S phase of interphase).