Biology
Grade-8
Easy
Question
Fill in the missing alleles based on the given genotype.
- AaBB,aabb,aaBB,AAbb
- AABB,aabb,AaBb,aaBb
- aaBb,aabb,Aabb,AAbb
- AABB, AAbb, aaBB, AaBb
Hint:
Genotype of the 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: AABB, AAbb, aaBB, AaBb
- In a Punnett square, the upper row represents alleles for the female gametes.
- The left column represents the alleles for the male gametes.
- In the given Punnett square, the cross between:
- AB & AB produces AABB
- Ab & Ab produces AAbb
- aB & aB produces aaBB
- ab &AB produces AaBb
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