how many chromosomes are found in an egg cell?
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Germ cells have only half the number of chromosomes as a diploid cell one of each pair - and are termed haploid (n). In a human egg or sperm, there are 23 chromosomes, one of which is an X or Y.
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In humans, over 8 million (223) chromosome combinations exist in the production of gametes in both the male and female. A sperm cell, with over 8 million chromosome combinations, fertilizes an egg cell, which also has over 8 million chromosome combinations.
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In human reproduction, each cell contains 46 chromosomes in 23 pairs. Meiosis in the parents' gonads produces gametes that each contain only 23 chromosomes that are genetic recombinants of the DNA sequences contained in the parental chromosomes.
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The genetic basis of Down syndrome There are 23 pairs of chromosomes, for a total of 46. Half the chromosomes come from the egg (the mother) and half come from the sperm (the father). This XY chromosome pair includes the X chromosome from the egg and the Y chromosome from the sperm.
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A fertilised egg or zygote contains 23 chromosomes each from sperm and egg. The fertilized egg hence has 46 chromosomes or 23 pairs of chromosomes which are retained by fertilisation.
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Each normal embryo contains 46 chromosomes, 23 of which are contributed by the sperm and 23 by the egg.
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Humans have 46 chromosomes, That number of chromosomes will be found a, in cells in anaphase. - : b. in egg and sperm cells. in somatic cells.
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A human egg is haploid (has 23 chromosomes) and a sperm is haploid (has 23 chromosomes). Upon fertilization, the new baby now has the 'correct' human number of 46 chromosomes in each of its somatic cells.
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You got all your genes from your parents. For each pair of their chromosomes, you get one chromosome from your mother and one from your father. When the egg and sperm cells come together, they create the full set of 46 chromosomes or 23 pairs.
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Germ cells contain a complete set of 46 chromosomes (23 maternal chromosomes and 23 paternal chromosomes). By the end of meiosis, the resulting reproductive cells, or gametes, each have 23 genetically unique chromosomes. The overall process of meiosis produces four daughter cells from one single parent cell.
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Each normal embryo contains 46 chromosomes, 23 of which are contributed by the sperm and 23 by the egg. An embryo that contains 46 normal chromosomes is called a euploid embryo . An embryo that has more or less than 46 chromosomes is called an aneuploid embryo .
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An egg is about 30 times as wide as a sperm cell! You can even see an egg cell without a microscope. Like a sperm cell, the egg contains a nucleus with half the number of chromosomes as other body cells.
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In humans, special cells called germ cells undergo meiosis and ultimately give rise to sperm or eggs. Germ cells contain a complete set of 46 chromosomes (23 maternal chromosomes and 23 paternal chromosomes).
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The sperm and egg each have only half the number of chromosomes as other cells in the body. These cells are haploid, with a single set of chromosomes. ... The cell they form is called a zygote. The zygote is diploid, with two sets of chromosomes, one from each parent.
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The chicken inherited 39 chromosomes from each parent. There will be 39 chromosomes in each of the chicken's gametes. There will be 78 chromosomes in each somatic cell of the chicken's offspring.
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Well, when an egg and a sperm come together, which is a process called fertilization, they contribute 23 chromosomes each.
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remember that a typical cell in your body has 46 chromosomes (23 pairs of homologous chromosomes) suppose that human sperm and eggs were produced by mitosis.