Multiple alleles are present
at the same locus of the chromosome
on nonsister chromatids
on different chromosomes
at different loci on the same chromosome.
Discuss why Drosophila has been used extensively for genetical studies.
Mendel was successful in discovering the principles of inheritance as
How do genes and chromosomes share similarity from the point of view of genetical studies ?
A person has to perform crosses for the purpose of studying inheritance of a few traits/characters. What should be the criteria for selecting the organisms ?