Two varieties of maize averaging 120 and 80 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 100 inches in height. If height is control by 3 pair of polygene, what is proportional of averaging phenotype in their F2 progeny?

#Question id: 8844

#9. Diversity of Life Forms

Organic chemistry is a science based on the study of

#Question id: 5342

#8. Inheritance Biology

Women having normal color vision, normal pigmentation and A blood group whose father is color blindness, albinism and O blood group will marry with men having colorblind, albinism and O blood group. What is probability of their first child will colorblindness son, normal pigmentation and O blood group? 

#Question id: 5332

#8. Inheritance Biology

Which of the following are incorrect regarding Sex chromosome in human?

#Question id: 8855

#9. Diversity of Life Forms

A spongeʹs structural materials (spicules, spongin) are manufactured by the

#Question id: 5014

#11. Evolution and Behavior

 Following geological time period and major evolutionary event?

I. Devonian                            A. Gymnosperms dominant

II. Jurassic                               B. Amphibians diversify; first reptiles

III. Carboniferous                  C. Mammals appear

IV. Triassic                           D. Seed plants appear