In hybridization, $Tt × tt$ give rise to the progeny of ratio
$1:1$
$1:2$
$2:1$
$1:2:1$
Mendel's principle of segregation means that the germ cells always receive
If a homozygous red-flowered plant is crossed with a homozygous white-flowered plant, the offspring would be
Primary source of allelic variation is
Which one of the following cannot be explained on the basis of Mendel's law of Dominance ?
Mendel performed test cross to know the