Mendelism is related to:

If a normal enzyme is produced by a modified allele,what will be the effect on the phenotype?

$A$ black hybrid mouse is crossed with a pure brown mouse to produce a total of $24$ young ones. Which of the following result is most likely to be correct?

The principles or laws of inheritance were enunciated by:

If a cross between pure red and pure white flowered pea plants produces $120$ pea plants,what will be the ratio of the progeny?

Gregor Mendel was a native of which country?