A normal woman whose father was albino marries a man who is albino. What proportion of normal and albino can be expected among their offsprings
$1$ normal : $1$ albino
All albino
$2$ normal : $1$ albino
All normal
What is the other name for "incomplete dominance''
The salivary gland chromosomes in the dipteran larvae are useful in gene mapping because
Sex-linked genes of man are
Gynandromorphs develop in Drosophila when the two cells in the two-celled proembryo will have one of the following chromosomal sets
Nicotiana sylvestris flowers only during long days and $N$.tabacum flowers only during short days, if raised in the laboratory under different photoperiods, they can be induced to flower at the same time and can be cross fertilized to produce self-fertile offspring. What is the best reason for considering $N .$ sylvestris and $N$. tobaccum to be separate species?