IGNOU BZYCT 137 2026 - Position effect

Question

Position effect

31 Jan 2026

Answer :

Word Count : 113

Position effect refers to the phenomenon where the expression of a gene is influenced by its location within the genome. This effect occurs

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कॉलम क	कॉलम ख
i). मैसेलसन एवं स्टाल	क) युग्मनजपूर्व और पश्च-युग्मजीय
ii). सहप्रभाविता	ख) सेन्ट्रोमियर मध्य में स्थिति होता है
iii). मध्यकेंद्री	ग) डी.एन.ए. प्रतिकृतियन अध-संरक्षी होता है
iv). वाटसन	घ) दोनों एलील की समान अभिव्यक्ति होती हैं
v). जनन पृथक्करण अवरोध	ङ) उत्प्रेरकी RNAs के अस्तित्व को स्थापित किया

Column A	Column B
i). Meselson and Stahl	a) Pre-zygotic and post-zygotic
ii). Codominance	b) Centromere is in middle
iii). Metacentric	c) DNA replication is semi-conservative
iv). Watson	d) Both the alleles are equally expressed
v). Reproductive isolating barriers	e) Established the existence of catalytic RNAs