Character choosen by Mendel are located on how many chromosome
$4$
$14$
$7$
$49$
In man the mutation disease ‘Aniridia' $(Congenital\, absence \,of\, iris)$ occurs due to
$XO$ type of sex determination can be found in:
Which of the following phenomena leads to variation in $DNA$?
In order to determine whether variations of a character in a population were genetically controlled, the most appropriate procedure will be to
Mark the correct statement (w.r.t. sickle cell-anaemia)