Question

name the chromosomes with most and fewest gene​

Answer 1

Answer:

Human Y chromosome. In humans, the Y chromosome spans about 58 million base pairs (the building blocks of DNA) and represents approximately 1% of the total DNA in a male cell. The human Y chromosome contains over 200 genes, at least 72 of which code for proteins

Human Y chromosome. In humans, the Y chromosome spans about 58 million base pairs (the building blocks of DNA) and represents approximately 1% of the total DNA in a male cell. The human Y chromosome contains over 200 genes, at least 72 of which code for proteins

Answer 2

Answer:

a) Chromosome 1

b) Y chromosome

Explanation:

Chromosome with most gene is chromosome 1. On karyotyping it was found that, chromosome 1 is the largest chromosome in humans and has most of the genes (approx 3168).

Chromosome 1 is a non sex chromosome which is called autosome and is found in pair.

Diseases related to chromosome 1 are loss of hearing , Alzheimer etc.

Chromosome Y has the fewest gene. On karyotyping it was found that it is the smallest chromosome, with approximately 349 genes.

It is a sex chromosome and is found in males where it is paired with X chromosome .

Y chromosome has a SRY gene which is responsible for the development of male characters, and male sex organs.