While solving the problem of sex determination in large number of insects, it was observed that
All eggs lack sex chromosome
Some of the sperms bear the $X-$chromosome
All eggs as well as sperms bear the $X-$chromosome
Some of the eggs bear the $X-$chromosome
The male human is represented by sex chromo-somes
Match following pair.
Which one of the following conditions correctly describes the manner of determining the sex?
Bird females have chromosome arrangement as
Select the incorrect statement