Which of the following is the main category of mutation
All of these
Zygotic mutaion
Somatic mutaion
Genetic mutation
Who out of the following was of the strong opinion that acquired characteristics are inherited
Colour of endosperm in maize is an example of
Two offspring developed in the same uterus but from fertilization of two different ova are
Which one of the following is a dominant trait
The first definite proof of mutagenic action of $X$-rays was given by