Dictionary » A » Allosome



noun, plural: allosomes

A chromosome that is different from an ordinary autosome in form, size, or behavior; a sex chromosome.


Unlike autosomes that are the same in form, size and behavior in both sexes of a species, allosomes are not. The X and Y chromosomes are an example of such type of chromosome.

Word origin: allo- meaning other and –some from Greek sôma meaning body.


Compare: autosome

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If a sperm is haploid, and an autosome is not an allosome, then how many does that leave?

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by plasmodesmata11
Wed May 09, 2012 9:43 pm
Forum: Genetics
Topic: autosomes
Replies: 1
Views: 2017

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