The number of contrasting characters studied by Mendel for his experiments was

In genetics,the use of a checkerboard was introduced by

Johann Mendel is considered a genius much ahead of his time, as he proposed the concept of "factors" (now called genes) based on the fact that . . . . . . .

An allele is a/an:

According to Mendelism, which of the following traits shows dominance?

Blue-flowered and white-flowered plants on crossing gave progeny of blue and white-flowered in the ratio of $60 : 40$. What ratio of blue and white is expected if the blue-flowered plants are self-pollinated?