Genetics and Heredity — Important Questions
Telangana Open School (TOSS) · Class 12 · Biology
50 important questions from Genetics and Heredity for Telangana Open School (TOSS) Class 12 Biology, with answers. Written for the board exams 2027.
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Important Questions from Genetics and Heredity
What is the genotype of a homozygous tall pea plant?
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TT
A homozygous tall pea plant has two identical dominant alleles, represented as TT.
Which generation is produced by self-pollination of F1 plants?
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F2 generation
The F2 generation is obtained by self-pollinating the F1 hybrid plants.
What is the term for alternative forms of a gene?
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Alleles
Alleles are alternative forms of a gene that control contrasting traits.
In pea plants, tallness is dominant over dwarfness. What would be the phenotype of a plant with genotype Tt?
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Tall
Since T (tall) is dominant over t (dwarf), a heterozygous plant (Tt) will express the tall phenotype.
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