From a single ear of corn, a farmer planted $200$ kernels which produced $140$ tall and $40$ dwarf plants. The genotype of these offsprings are most likely
$TT, Tt$ and $tt$
$TT$ and $tt$ only
$TT$ and $Tt$ only
$Tt$ and $tt$ only
Definitions / Explanation : Genes & Alleles.
Definitions / Explanation : Dominant gene & Recessive gene.
Definitions / Explanation : Punnett square
What is the cross between the progeny of $\mathrm{F}_{1}$ and the homozygous recessive parent called? How is it useful?
If a homozygous red-flowered plant is crossed with a homozygous white-flowered plant, the offspring would be