5. What are sex chromosomes and autosomes ? – InterviewSolution

InterviewSolution

1.	5. What are sex chromosomes and autosomes ?
Answer» Thesexof unborn child depends on whether the zygote formed at the time of fertilisation has XX combination of sex chromosomesor XY combination ofsex chromosomes. It is the sperm of man that determines thesexof the child.This is because half of the sperms have Xchromosomesand other half have Ychromosomes.Autosomes are numbered chromosomes that contain genes for anything that does not relate to sex determination. Humans have 22 pairs of autosomes (or 44 in total) that are numbered 1 through 22. These numbers indicate the size of the autosome. For example, chromosome 1 is the longest, and chromosome 22 is the shortest.

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