Q25 of 167 Page 192

What will you get in the F1 and F2 generations in the following cross ? Pure tall pea plant x pure dwarf pea plant?

(A) In the F1 generation we will get all tall plants with Tt gene combination and in the F2 generation we will get 3 tall plants (TT/Tt) and one dwarf plant (tt).


More from this chapter

All 167 →
23

Explain how, sex is determined in human babies.

 24

What do the following symbols used in the topic on heredity represent?

(a) TT (b) tt


(c) XX (d) XY

 25

Is it an example of monohybrid cross or dihybrid cross?

 26

In the F2 generation of a cross, progeny having different traits are produced in the ratio 3 : 1. State whether it is a monohybrid cross or a dihybrid cross? Give one example of such a cross.