Heredity and Ev...

The main feature of Darwin's theory of evolution is:

In humans, an egg involved in male child formation has the genetic constitution of ____.

A trait of organism is influenced by:

The phenotypic ratio obtained by crossing a heterozygous parent (YyRy) with a recessive parent (yyrr) is:

If a couple has three daughters, what are the chances that the fourth child will be a son?

Say Yes or No. Is it important that offsprings from the same parent should have common traits?

F1 generation consist of ____________ offspring.

Human baby will be a female, if its 23$$^{rd}$$ chromosome pair is

Who came up with the idea of evolution?

The Laws of Inheritance were proposed by _______________.