Biology Past Questions and Answers

If a cross is made between a pure-breeding red flowered plant and a pure-breeding white flowered plant<br/>where R is dominant for red flower and r is recessive for white, the most likely result of F generation will be

A man with blood group A (T<sup style='font-size: smaller;'>A</sup>P) married a woman with blood group O (pp). Which of the following is the<br/>probable ratio of the blood groups of the offspring?

Increasing specialization of structure and function among animals of the same class and order for survival in new and different environments is called

When large numbers of organisms share limited space and resources the result is

The change in colour of the chameleon serves as a means of