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Recessive gene

Recessive gene

A gene that is expressed onlywhen it is present in two copies or if theother copy is missing.


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Please Help

... answer. Thanks 1.What is a dominant activator? one copy of an oncogene has been mutated and causes uncontrolled cell growth a proto-oncogene ... when a gene is mutated to stimulate cell division in the homozygous recessive form a cellular homologue of a viral oncogene 2.How do tumor retrovirus ...

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by kpax
Tue Aug 25, 2009 2:33 pm
 
Forum: Genetics
Topic: Please Help
Replies: 1
Views: 46

Mode of Inheritance when given F2 generation data

... data I am supposed to hypothesize the mode of inheritance of genes when given the F2 data--the F2 numbers of a cross between two, true-breeding ... and females--using the chi-square. The gene alleles can be either or recessive, and autosomal or x-linked. F2 Data: wild type, males 62 wild type, ...

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by linuxux
Tue Jul 28, 2009 10:51 am
 
Forum: Genetics
Topic: Mode of Inheritance when given F2 generation data
Replies: 2
Views: 141

Genetics Problems... Friends i need ur help

... giving rise to the observed phenotype: - type of transmission (i.e. recessive/dominant or codominance) - gene linkage (i.e. are they on the same chromosome or not) and calculate the distribution of ...

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by canalon
Thu Jul 16, 2009 2:03 am
 
Forum: Genetics
Topic: Genetics Problems... Friends i need ur help
Replies: 5
Views: 231

Re: Diversifying selection

... spectrum will now be limited. Variation now only has one source, or one genetic pool to evolve from, and only if there is environmental pressure ... sound very studied, but there are two points here. 1)You forgot about recessive traits in the big beak birds--just because the small die out does ...

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by AFJ
Fri Jul 10, 2009 2:15 am
 
Forum: Evolution
Topic: Diversifying selection
Replies: 15
Views: 439

Genomic Imprinting In Humans (and classical genetics)

Steven, you are right that dominant alleles mask recessive ones in normal expression, but with genomic imprinting because it is ... expression. In this case you do not need to be homozygous for a recessive gene to be able to express it, as the dominant allele is masked due to parental ...

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by Jesse2504
Sat Jul 04, 2009 9:15 am
 
Forum: Genetics
Topic: Genomic Imprinting In Humans (and classical genetics)
Replies: 7
Views: 345
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