In Drosophila,sex is determined by: | vedclass

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Question

(A) In $Drosophila$,sex determination is based on the genic balance theory proposed by $C.B. Bridges$. According to this theory,sex is determined by t

Vedclass · Accepted Answer

The ratio of the number of $X$ chromosomes to the sets of autosomes.

Vedclass · Answer

(A) In $Drosophila$,sex determination is based on the genic balance theory proposed by $C.B. Bridges$. According to this theory,sex is determined by the ratio of the number of $X$ chromosomes to the number of sets of autosomes $(A)$. This ratio is represented as $X/A$. If the ratio is $1.0$,the individual is female; if the ratio is $0.5$,the individual is male. Therefore,the correct option is $A$.

In $Drosophila$,sex is determined by:

Similar Questions

The average ratio of men and women in the human population is:

$(a)$ In humans,males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic?
$(b)$ Also describe as to who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.

In $Drosophila$,sex determination is controlled by:

Sex determination in plants is caused by .....

If a character is always transmitted directly from a father to all his sons and from their sons to all their sons,then which chromosome carries the gene for the character?

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