Biology Past Questions and Answers

The specific number of chromosomes in each somatic cell is represented by

A man with blood group a is married to a woman with blood group A. Which of the following group combinations is possible if the family has three children?

The F[sub]1[/sub] of a cross between a tall and a dwarf plant was tall. The F[sub]1[/sub] was advanced to F[sub]2[/sub]. How many of 120F[sub]2[/sub] plants will be dwarf?

All the sons of a colour-blind woman will be coloured blind regardless of the state of the father because

The slender, long and slightly curved beak of the sun-bird is an adaptation for breeding for feeding on