Which of the following is not a hereditary disease?
Cretinism
Cystic fibrosis
Thalassemia
Haemophilia
Edward syndrome is on account of .......
Heterozygous tall and violet flowered pea plants were selfed and total $512$ seeds are collected. What will be total number of seeds for both heterozygous traits?
Two offspring developed in the same uterus but from fertilization of two different ova are
Select the incorrect statemant from the following.
Drosophila flies with one half of the body male and other half female is referred to as