The average ratio of male to female individuals based on $XX$ and $XY$ type of sex determination, in total world of human population is
$3:1$
$1:3$
$1:4$
$1:1$
It's Obvious
When a cluster of genes shows linkage behaviour they
Free Martin condition is found in
Persons who are colourblind can not distinguish
Genetic counsellors can identify heterozygous individuals by
In the hexaploid wheat, the haploid $(n)$ and basic $(x)$ numbers of chromosomes are
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