Sex determination in Drosophila melanogaster is based on

  • [AIEEE 2004]
  • A

    $X-Y$ chromosome mechanism

  • B

    Genetic balance between the $X$-chromosome and autosomes

  • C

    Chromosome -environment interaction

  • D

    Pseudoalleles.

Similar Questions

The sex chromosomes in females are

Select the incorrect pair

A man receives his $X$ chromosomes from

In man, the composition of female destined zygote is

$A$ : $XO$ type sex determination is found in large number of insects.
$R$ : Some of the sperms bear the $X-$chromosome whereas some do not