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In F₂ generation, a ratio of 1 : 4 : 6 : 4 : 1 is obtained instead of 9 : 3 : 3 : 1. It indicates
Options
(a) incomplete dominance
(b) qualitative inheritance
(c) quantitative inheritance
(d) all of the above
Correct Answer:
quantitative inheritance
Explanation:
Quantitative inheritance is a type of inheritance controlled by one or more genes in which the dominant alleles have cumulative effect with each dominant allele expressing a part or unit of the trait, the full trait being shown only when all the dominant alleles are present. In quantitative inheritance the number of phenotypes is 3(1:2:1) when one polygene pair, 5(1:4:6:4:1) when two polygene pair and 7(1:6:15:20:15:6:1) when three polygene pairs are involved.
Related Questions: - Which one of the following statements is false in respect of viability of mammalian sperm?
- Deficiency of copper causes
- CO is harmful because
- A pigment which absorbs red and far red(infrared) light is
- Ostrich have one urinary bladder,whereas all others birds have
Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following statements is false in respect of viability of mammalian sperm?
- Deficiency of copper causes
- CO is harmful because
- A pigment which absorbs red and far red(infrared) light is
- Ostrich have one urinary bladder,whereas all others birds have
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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