In Drosophila, the allele for a normal grey body colour $G$ is dominant to ebony body $g.$ The following table summarises the results of several crosses

Which strains both have the genotype Gg?

Who was the scientist to introduce $ABO$ blood groups

When heterozygous tall plants are self-pollinated than tall and dwarf plants are obtained, this is explain to

When two unrelated individuals or lines are crossed, the performance of $F_1$ hybrid is often superior to both its parents. This phenomenon is called

In a mutational event, when adenine is replaced by guanine, it is the case of