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Trisomic condition in which there is one extra chromosome on an autosome.
For eg. Down's Syndrome
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∙ 12y ago
Wiki User
∙ 11y agoAdd your answer:
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What portion of the sperm contains 23 chromosomes?
The sperm or the egg have 23 chromosomes. Humans have 46 chromosomes, so when these two combine they create a human zygote.
How many chromosomes are there in uterus cells?
There are 23 in both a sperm and egg cell. These unite to form a zygote, which has 46 chromosomes.
What is the chance that a human zygote will receive one x and one y sex chromosomes during fertilization?
The chance is 50%.
What condition is present in a human embryo when it has 3x21 chromosomes?
Down syndrome.
How many chromosomes do human egg cells and sperm cells have?
There are 23 chromosomes in a human sperm or egg (ovum).Of these, 22 are autosomes, and there is one sex chromosome: either an X or a Y. So 23 is the human haploid number.
A human egg cell has 23 chromosomes. How many chromosomes will a human zygote have?
46
How many chromosomes human zygote possess?
46 23 from each parent...unless there is a mutation. Hi sorry to but in, but i was just wondering. If a human zygote contains 46 chromosomes and then total chromosomes they have is 46. Then if a mouse has 40 chromosomes would it's zygote be 40 as well? I have Biology homework and i was just wondering. Thanks!
How many chromosomes in human diploid zygote?
A normal human diploid zygote contains a full set of 46 chromosomes. A zygote refers to the initial cell that is formed when two gamete cells join together through sexual reproduction.
What might result in a human zygote with 45.?
A human zygote with 45 chromosomes may result from a chromosomal abnormality known as a monosomy, where one copy of a chromosome is missing. This condition is typically associated with severe developmental abnormalities and is often incompatible with life.
What is a zygote and how many chromsomes does it have?
A zygote is a cell that is the result of the fusion of an egg and a sperm. It has a total of 46 chromosomes in a genetically normal human.
How many chromosomes does a human sperm or egg cell contain?
The human egg or sperm cell is haploid and contains 23 chromosomes. After fertilization (egg and sperm fusion), the zygote will have 46 chromosomes (23 pairs).
What portion of the sperm contains 23 chromosomes?
The sperm or the egg have 23 chromosomes. Humans have 46 chromosomes, so when these two combine they create a human zygote.
How many chromosomes does the egg cell of a fruit fly have?
A zygote is formed from the union of two gametes. The number of chromosomes differs from different species, but in humans, there are 46 chromosomes. 23 from the male gamete and 23 from the female gamete.
How many chromosomes are in a human zygote which has Down Syndrome?
Human cells have 23 pairs of chromosomes, giving a total of 46 per cell.
Why is it important to have half as many chromosomes as normal body cells?
The gametes must have half as many chromosomes as normal body cells because they unite to form a zygote, which is the first body cell of the new organism. For example, human body cells have 46 chromosomes and human gametes (sperm and egg cells) have 23 chromosomes. When the sperm fertilizes the egg, the zygote will have 46 chromosomes, and is the first body cell of the new human.
Because the zygote gets half of its gentic code from each gamete the human offspring?
results in the 46 chromosomes that we have?
How many chromosomes are there in uterus cells?
There are 23 in both a sperm and egg cell. These unite to form a zygote, which has 46 chromosomes.
