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1. You are studying a variant in a gene controlling wing development, Wng, in Drosophila. Using analysis software, you can see that the variant changes the protein product’s amino acid sequence, but homozygotes for this variant express a WNG protein that functions normally. Which term best describes the effect of this variant? conditional mutation gain of function mutation loss of function mutation neutral mutation synonymous mutation

1. You are studying a variant in a gene controlling wing development, Wng, in Drosophila. Using analysis software, you can see that the variant changes the protein product’s amino acid sequence, but homozygotes for this variant express a WNG protein that functions normally. Which term best describes the effect of this variant? conditional mutation gain of function mutation loss of function mutation neutral mutation synonymous mutation

Biology Today and Tomorrow without Physiology (MindTap Course List)
Biology Today and Tomorrow without Physiology (MindTap Course List)
5th Edition
ISBN:9781305117396
Author:Cecie Starr, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Christine Evers, Lisa Starr
Chapter10: Biotechnology
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1. You are studying a variant in a gene controlling wing development, Wng, in Drosophila. Using analysis software, you can see that the variant changes the protein product’s amino acid sequence, but homozygotes for this variant express a WNG protein that functions normally. Which term best describes the effect of this variant?


conditional mutation
gain of function mutation
loss of function mutation
neutral mutation
synonymous mutation
 
2. In base excision repair,

Photolyase breaks bonds between pyrimidines & Purines
Single-stranded binding proteins are used to stabilize the unwound helix.
Mut H recognizes the demythylated state, and removes the base
DNA Glycolase removes the damaged nitrogenous base
 
3. Aneuploidy is a change in the number of individual chromosomes. Which of the following is not an example of aneuploidy?

Nullisomy
Trisomy
Monosomy
Polysomy
Tetrasomy

 

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