Question

Heterozygous tall plant (Tt) is crossed with homozygous dwarf (tt) plant. Percentage of dwarf plants from the cross would be _________.

• A. 0%
• B. 25%
• C. 50%
• D. 100%.

Answer 1

The correct option is C 50%

A heterozygous tall plant(Tt) is crossed with homozygous dwarf plant(tt). In the next generation 50% of heterozygous tall plants and 50% of homozygous dwarf plants are formed. It is called Test cross.

So, the correct option is ‘50%’.