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Recessive trait

Definition

noun

(genetics) A genetic trait that results from the expression of the two recessive alleles.


Supplement

When the dominant allele is lacking or when the two alleles present are both recessive, their expression results in a recessive trait.


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Pedigree Analysis

... if I have this correct because I am confused. I think this is x-linked recessive is that right :?: since it can fall into this category 1.Usually ... 2. Affected sons are usually born to unaffected mothers; thus, the trait skips generations. 3. Approximately half of a carrier (heterozygous) ...

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by chapsticks4
Tue Feb 26, 2013 7:06 pm
 
Forum: Genetics
Topic: Pedigree Analysis
Replies: 0
Views: 77

How dominance works at the DNA/RNA/protein

... Suppose we have a gene G which comes in two forms, G (dominant) and g (recessive), and we have an individual who is Gg (heterozygous in that gene). ... plants are Green. So, green is dominant. At that point it’s called a trait locus. Than you do a lot of research and discover that this locus corresponds ...

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by Cat
Fri Oct 05, 2012 1:15 am
 
Forum: Genetics
Topic: How dominance works at the DNA/RNA/protein
Replies: 10
Views: 2050

How dominance works at the DNA/RNA/protein

... Suppose we have a gene G which comes in two forms, G (dominant) and g (recessive), and we have an individual who is Gg (heterozygous in that gene). ... in the cells, we might see proteins that will cause the dominant G trait to be expressed, and some that cause the recessive g trait to be expressed. ...

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by mhwombat
Thu Oct 04, 2012 6:35 pm
 
Forum: Genetics
Topic: How dominance works at the DNA/RNA/protein
Replies: 10
Views: 2050

Re: Evolution or De-evolution?

... to be able to affect phenotype changes (ex. Diseases, deformities, trait variations, etc.) 2. Natural selection – refers to survivor of the ... process can bring about variety of other changes by allowing other recessive traits (traits that natural selection process would have eliminated). ...

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by Cat
Sun Sep 09, 2012 5:35 pm
 
Forum: Evolution
Topic: Evolution or De-evolution?
Replies: 43
Views: 15727

difficult biology problem, appriciate ANY help!

... Human beings are very complex and so is human genetics. There are some traits in humans determined by a single gene such as tongue rolling. Some ... their tongue up at the edges; others are not. Is this a dominant or recessive trait? Study this pedigree which shows the appearance of this trait ...

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by moriahlikesbeer
Tue May 15, 2012 4:11 pm
 
Forum: Genetics
Topic: difficult biology problem, appriciate ANY help!
Replies: 3
Views: 1336
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