Question

State the phenotypicratio and genotypic ratio of monobybrid cross​

Answer 1

Answer:

F

1

generation produced by monohybrid crossing --> Tt

Test cross: Tt x tt

Gametes: T, t t

Offspring: Tt, tt

Phenotypic ratio: 1 : 1

Genotypic ratio: 1 : 1

Explanation:

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Answer 2

Answer:

The expected genotype ratio when two heterozygotes are crossed is 1 (homozygous dominant) : 2 (heterozygous) : 1 (homozygous recessive). When a phenotypic ratio of 2 : 1 is observed, there is probably a lethal allele.