An externally observable characters of an individual are called

The scientist Hugo de Vries worked on which of the following plant?

The sex of the human child depends on the sex chromosome present in the

The evolution is a

A couple has seven daughters, possibility of having a male child now will be (after pregnancy)

Genetic information is carried out by long chain of molecules made up of

Genetic variation arises by

If a cross between two plants give 50% tall and 50% dwarf progeny, then the parents genotypes are

In F₂-generation, how many types of seeds were obtained by Mendel in his original work ?

Which of the following is a single living species of genus Homo?