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Match the terms in Column I with their description in Column II and choose the correct option.
Column I
- A. Dominance
- B. Co-dominance
- C. Pleiotropy
- D. Polygenic
Column II
- 1. Many genes govern a single character
- 2. In a heterozygous organism, only one allele expresses itself
- 3. In a heterozygous organism, both alleles express themselves
- 4. A single gene inheritance influences many characters
Correct answer: A → 2, B → 3, C → 4, D → 1
Explanation
Match each term to its definition.
Detailed Solution
Dominance: in a heterozygous organism only one allele expresses itself.
Co-dominance: in a heterozygous organism both alleles express themselves.
Pleiotropy: a single gene influences many characters.
Polygenic inheritance: a single character is governed by many genes.
Correct match: A-2, B-3, C-4, D-1.
Co-dominance: in a heterozygous organism both alleles express themselves.
Pleiotropy: a single gene influences many characters.
Polygenic inheritance: a single character is governed by many genes.
Correct match: A-2, B-3, C-4, D-1.