Experimental evidence of chromosomal theory of inheritance was given by
$HT$ Morgan
$TH$ Morgan
$H$ de Vries
$DH$ Vries
How many linkage groups are present in Drosophilla
Which of the following phenomena leads to variation in $DNA$?
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of them will you not use for the purpose.
Free Martin condition is found in
Continuous variations are attributed to