$A$ true-breeding plant is one that is ......

In humans,right-handedness is dominant over left-handedness. What can be expected for the children of two left-handed parents?

Consider the following four statements $I, II, III$ and $IV$ and select the correct statement:
$I.$ Mendelian experiments have a large sampling size, which gave greater credibility to the data that he collected.
$II.$ Recessive allele influences the appearance of the phenotype even in the presence of a dominant allele.
$III.$ Mendel analysed qualitative characters in garden pea.
$IV.$ In $F_2$-generation of a Mendelian monohybrid cross, the tall and dwarf traits were identical to their parental types and show no blending inheritance.

The first "geneticist" was

What are the genes that are expressed only in the homozygous condition called?

$A$ cross between two individuals with the same genotype or phenotype,where the source of gametes is reversed in one cross compared to the other,is known as ....