A botanist sees that when he breeds a plant with blue flowers and a plant with red flowers, the resulting generation are plants with a 1:1 ratio of blue: red flowers. He knows that the two parents are homozygous for the trait of color. What phenomenon most likely explains the 1:1 ratio in the filial generation?

4 Mutations in opsin genes cause_ types of colorblindness.

9 : 3 : 3 : 1 ratio is given by:

A bald man marries to pattern bald woman. The chance of baldness in their daughter is:

A carrier female for hemophilia can pass the defective allele to:

A cell at the telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at the telophase stage. There is no formation of the cell plate and thus the cell contains more chromosomes as compared to other dividing cells. This would result in: