Constitutive mutations produce elevated enzyme levels at all times; they may be of two types: O c

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Constitutive mutations produce elevated enzyme levels at all times; they may be of two types: O^c or I⁻. Assume that all other DNA present is wild-type. Outline how the two constitutive mutants can be distinguished with respect to

(a) Map position,

(b) Regulation of enzyme levels in O^c/O⁺ versus I⁻/I⁺ partial diploids, and

(c) The position of the structural genes affected by an O^c mutation versus the genes affected by an I⁻ mutation in a partial diploid.

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Principles of Genetics

ISBN: 978-1119142287

7th edition

Authors: D. Peter Snustad, Michael J. Simmons

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Question Posted: Oct 19, 2018 08:53 AM

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Constitutive mutations produce elevated enzyme levels at all times; they may be of two types: O c

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a The O c mutations map very close to the Z structural gene I mutations map slightly far...View the full answer

Principles of Genetics

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