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How many chromosomes are in a human zygote which has Down Syndrome?
Wiki User
∙ 13y ago
Human cells have 23 pairs of chromosomes, giving a total of 46 per cell.
Wiki User
∙ 13y ago
Wiki User
∙ 13y ago47- on extra chromosome 21
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What condition occurs when a human zygote has 47 chromosomes?
Trisomic condition in which there is one extra chromosome on an autosome. For eg. Down's Syndrome
What might happen if human chromosomes did not separate?
well if human chromosomes number 21 does not separate during fertilization the baby will be with down syndrome. at fertilization of the egg with a normal sperm the zygote contain three chromosome number 21 (trizomic 21) hence the zygote contain 47 chromosome instead of 46.
What condition is present in a human embryo when it has 3x21 chromosomes?
Down syndrome.
How many chromosomes are present in each cell in this human?
There are 46 chromosomes in a normal human cell and 23 in the sex cells. People with down syndrome has 47 chromosomes.
How many chromosomes are in a human reporductive cell?
There are 46 chromosomes in a human cell, half come from your mother and half come from your father. However a person with down syndrome has 47 chromosomes.
What type of disorders are karyotyping used to diagnose?
Chromosomal disorders can be observed in a human karyotype. It can show whether there are extra chromosomes, or missing chromosomes, or malformed chromosomes, or whether chromosomes have extra pieces, or missing pieces.
How many chromosomes would be in a zygote if the bird has 30 chromosomes?
A zygote is a fertilized egg cell, so it is diploid and thus has a full set of DNA. If the adult has 30 pairs of chromosomes, the zygote would have 30 pairs. If there are 30 chromosomes, then the zygote will have 60 (30 from the mother and 30 from the father). It comes down to whether you meant individual chromosomes or pairs of chromosomes.
The number of chromosomes found in human body cells is?
46 chromosomes or 23 pairs of chromosomes.
What is the genetic disorder for having three 21 chromosomes?
down syndrome
How any chromosomes are in each human cell?
If you mean how many; there are 46, or 23 homologous pairs. There are 22 autosomal pairs and the sex chromosomes (X and X/Y). This can vary in some disorders, such as Down Syndrome, Turner Syndrome, Klinefelter's Syndrome, and Triple X Syndrome.
What is the total amount of chromosomes do down syndrome children have?
21 chromosomes
What chromosomes do you get an extra copy for in humans that results in Down syndrome?
Down Syndrome is caused by a triplication of the 21st chromosome.
