Biology
Grade-8
Easy
Question
How many off springs in the above cross are homozygous for green pod color?
- 1
- 2
- 3
- None of the above
Hint:
When both the alleles of a gene are same it is called as homozygous.
The correct answer is: 1
- The green pod is considered dominant with GG or Gg as genotype.
- The yellow pod is recessive with gg as its genotype.
- The F1 generation has genotype of Gg.
- The F2 generation is produced by self cross of Gg, which is represented as follows:
-
Gametes
G
g
G
GG
Gg
g
Gg
gg
The homozygous green pod is represented by GG which is only 1 in number.
| Gametes | G | g |
| G | GG | Gg |
| g | Gg | gg |
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