Sex determination in Drosophila melanogaster | vedclass

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Question

(B) Sex determination in $Drosophila$ $melanogaster$ is determined by the ratio of the number of $X$ chromosomes to the number of sets of autosomes $(

Vedclass · Accepted Answer

Genetic balance between the $X$-chromosome and autosomes

Vedclass · Answer

(B) Sex determination in $Drosophila$ $melanogaster$ is determined by the ratio of the number of $X$ chromosomes to the number of sets of autosomes $(A)$.This is known as the Genic Balance Theory,proposed by $C$.$B$. Bridges.If the ratio $(X/A)$ is $1.0$,the individual is a female.If the ratio $(X/A)$ is $0.5$,the individual is a male.Therefore,the sex is determined by the genetic balance between the $X$-chromosome and autosomes.

Sex determination in $Drosophila$ $melanogaster$ is based on:

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