Which of the following is the main category of mutation
All of these
Zygotic mutaion
Somatic mutaion
Genetic mutation
Chromosomes that determine male sex in Melandrium plant is
In garden pea, starch is synthesised effectively in
$A$ : Occasionally mammary glands are functional in males and the condition is called gynaecomastia.
$R$ : Decreased testosterone in later life may also lead to gynaecomastia. It is usually due to perturbation of estrogen to androgen ratio.
Linkage was first observed in
Brachydactyly is due to