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
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- [NEET 2016]
When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is
When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is