In Drosophila, the sex is determined by
In Drosophila, the sex is determined by
- [AIPMT 2003]
- A
Whether the egg is fertilized or develops parthenogenetically
- B
The ratio of number of $X$-chromosomes to the sets of autosomes
- C
$X$ and $Y$ chromosomes
- D
The ratio of pairs of $X$-chromosomes to the pairs of autosomes
Similar Questions
When an albino female plant of maizeis crossed with normal green male plant, all plants in the progeny are albino because
When an albino female plant of maizeis crossed with normal green male plant, all plants in the progeny are albino because
- [AIPMT 1989]
Lathyrus odoratus is an example of which of the following genes
Lathyrus odoratus is an example of which of the following genes
When closely placed genes on the same chromosome are inherited together the phenomenon is known as
When closely placed genes on the same chromosome are inherited together the phenomenon is known as
Which of the following parental combination has produced mutant offspring?
Which of the following parental combination has produced mutant offspring?
What are the characteristic features of a true-breeding line ?
What are the characteristic features of a true-breeding line ?