Mendel Experiments — Important Questions
Telangana Open School (TOSS) · Class 12 · Biology
42 important questions from Mendel Experiments for Telangana Open School (TOSS) Class 12 Biology, with answers. Written for the board exams 2027.
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Important Questions from Mendel Experiments
In a monohybrid cross, the F1 generation shows:
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Only dominant trait
In a monohybrid cross, the F1 generation expresses only the dominant trait because the dominant allele masks the recessive one.
The phenotypic ratio in F2 generation of a monohybrid cross is:
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3:1
In a monohybrid cross, the F2 phenotypic ratio is 3 (dominant) : 1 (recessive).
The genotypic ratio in F2 generation of a monohybrid cross is:
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1:2:1
The genotypic ratio in F2 is 1 (homozygous dominant) : 2 (heterozygous) : 1 (homozygous recessive).
What is the genotype of a pure tall pea plant?
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TT
A pure tall plant is homozygous dominant, so its genotype is TT.
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