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Fruit colour in squash is an example of:
Options
(a) Recessive epistasis
(b) Dominant epistasis
(c) Complementary genes
(d) Inhibitory genes
Correct Answer:
Dominant epistasis
Explanation:
Epistasis is the phenomenon of suppression of phenotypic expression of gene by a nonallelic gene which shows its own effect. A dominant epistatic allele suppresses the expression of a nonallelic gene whether the latter is dominant or recessive. For example , fruit colour of Summer squash (Cucurbita pepo) is governed by a gene which produces yellow colour in dominant state (Y-) and green colour in recessive state (yy).
Related Questions: - Isotopes used for providing semi conservative replication of DNA are
- R.Q. (respiratory quotient) is less than 1 in
- Which one of the following is not a constituent of cell membrane?
- The enzyme recombinase is required at which stage of meiosis:
- In the chlorophyta the reserve food of protein surrounded by starch form a
Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Isotopes used for providing semi conservative replication of DNA are
- R.Q. (respiratory quotient) is less than 1 in
- Which one of the following is not a constituent of cell membrane?
- The enzyme recombinase is required at which stage of meiosis:
- In the chlorophyta the reserve food of protein surrounded by starch form a
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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