Lecture- 8 Epistatic Gene Interactions with examples (Masking Genes, Inhibitory Genes, Polymeric Genes)

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OUTLINE NOTES
Epistatic Gene Interactions with examples:-
1. Masking Genes:- जब दो अयुग्म विकल्पी जीन परस्पर इस प्रकार से क्रिया करते हैं कि प्रभावी युग्मविकल्पी दूसरे अयुग्म विकल्पी के प्रभाव को दबा देता है तो इसे Masking gene कहते हैं। इसे प्रभावी Epistasis भी कहते हैं। इसमें लक्षण प्रारूप अनुपात परिवर्तित हो जाता है। इसमें लक्षण प्रारूप अनुपात 12 : 3 : 1 आता है।
(When two non-allelic genes interact with each other in such a way that the dominant allele suppresses the effect of the other non-allele, it is called as masking gene. It is also called as dominant epistasis. In this, the phenotypic ratio is changed to 12 : 3 : 1.)
उदाहरण:- चप्पन कद्दू में फल का रंग
(Example:- Color of fruit in Summer squash)
(Summer squash or Chappan Kaddu = Cucurbita pepo)

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