Same chapter3 marksDifficulty: Medium
Distinguish between homozygous and heterozygous, and between dominant and recessive.
Genetics
3 marksDifficulty: Medium
Define allele, dominant character and recessive character.
Original Khojo Papers practice question — not from a past board paper.
Answer
Alleles are the alternative forms of a gene for the same character, occupying the same position on the two homologous chromosomes. A dominant character is expressed in the phenotype even when only one allele for it is present. A recessive character is expressed only when both alleles are for it.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
In pea plants tallness is dominant and dwarfness recessive.
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