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How does trisomy occur?

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how does trisomy occur?

First answer by Swedraay. Last edit by Swedraay. Contributor trust: 0 [recommend contributor ]. Question popularity: 1 [recommend question].

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When a child has Trisomy when does the mutation occur?
During meiosis
When a child is born with trisomy when did the mutation occur?
during meiosis
How zygote with trisomy 21 is likely to occur during fertilization?
Meiotic nondisjunction. In meiosis I or II, chromosome pair 21 fail to separate correctly, leaving one gamete with an extra chromosome 21.
What is Trisomy?
Trisomy is a condition in which someone has three copies of one chromosome in cells that have two copies of the other chromosomes. The condition follows an error in cell division in the formation of...
Why does diffusion occur and does it always occur?
All Particles move using their kinetic energy. Diffusion occurs because of difference in concentrations. The higher the concentration gradient the faster the diffusion rate. When diffusion happens it...