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Dominant gene

Dominant gene

The dominance of an allele over a recessive Allele. Dominance of traits.


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mutation-selection balance

... Medical Gentics by Jorde, Carey and Bamshad: Consider, for example, a dominant disease that results in death before the person can reproduce. This is termed a genetic lethal mutation because, even though the individual might survive for some time, ...

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by Monco
Mon Mar 04, 2013 10:41 pm
 
Forum: Genetics
Topic: mutation-selection balance
Replies: 0
Views: 59

Human Pathology 'Multiple-Choice Questions'

... 6. A XY subject with the loss-of-function mutation in the 5-reductase gene would have which of the following at birth? a. uterus and scrotum b. ... surge during the luteal phase 9. Granulosa cells are aspirated from a dominant follicle of a 25 year-old XX subject on day 11 of the menstrual ...

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by ScrimmSphere
Mon Feb 04, 2013 11:03 am
 
Forum: Human Biology
Topic: Human Pathology 'Multiple-Choice Questions'
Replies: 0
Views: 284

Genetics problems

... be great thanks :) Question 1. Pea pod shape is controlled by a one gene - two allele genetic system. Full pod shape is completely dominant to constricted pea pod shape. Pea plant size is also controlled by a one gene – two ...

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by jamesandrew
Fri Jan 18, 2013 7:20 am
 
Forum: Genetics
Topic: Genetics problems
Replies: 1
Views: 452

Re: Muscular dystrophy inheritance question

... a recessive in females (who have two alleles for dystrophin) and as a dominant in males (who have only one dystrophin gene on their single X chromosome).

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by jonmoulton
Tue Jan 08, 2013 8:05 pm
 
Forum: Molecular Biology
Topic: Muscular dystrophy inheritance question
Replies: 7
Views: 1071

Muscular dystrophy inheritance question

... the affected. The corresponding control sequence for that region of the gene X is also shown. Describe the mutations in gene X in this family and ... this tells us about the inheritance. I was also told that "for a dominant disorder if there is a mutation then you will see two peaks at the ...

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by firefly
Mon Jan 07, 2013 8:35 pm
 
Forum: Molecular Biology
Topic: Muscular dystrophy inheritance question
Replies: 7
Views: 1071
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