Biology
Grade-8
Easy
Question
Fill in the missing alleles where T, t represents the height of the tree and G represents the green and g represents the white color of the flower.
- TTGG, TTGg, TTGg, TtGg
- TtGG, TTgg, TtGG, ttGg
- TtGg, ttGG, ttGg, TTgg
- Ttgg, TTGG, TTGg, TTgg
Hint:
Genotype of offspring is obtained by crossing the genes present in the left column with the genes in the upper row of the Punnett square.
The correct answer is: TtGG, TTgg, TtGG, ttGg
- In a Punnett square, the upper row represents the alleles for the male gametes
- The left column represents the alleles for the female gametes
- In the given Punnett square, the cross between:
- TG & tG produces TtGG
- Tg &Tg produces TTgg
- tG &TG producess TtGG
- tg & tG produces ttGG
- The correct option is TtGG, TTgg, TtGG, ttGg
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