Dictionary » Y » Y Linked

Y Linked

Genes that are on the Y chromosome, and therefore Y linked because the resultant phenotype is a result of this Y linked gene.


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why do dogs have bigger brain than cats

... explanations, including the semi-literate one in your link. Sociality does seem to require some extra brain power. Another possibility may be linked to smaller dogs being bred from originally larger dogs - every aspect won't shrink equally....

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by Darby
Sun Mar 22, 2015 7:25 pm
 
Forum: Zoology Discussion
Topic: why do dogs have bigger brain than cats
Replies: 2
Views: 158

genotype ratio and phenotype ratio in X linked allege

Ok I how would I write out the genotype and phenotype for a X link recessive gene when after the punnett square the two females are not effect and the two males are effected?

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by greenchicken
Wed Mar 18, 2015 8:57 pm
 
Forum: Genetics
Topic: genotype ratio and phenotype ratio in X linked allege
Replies: 0
Views: 67

I have got some BIG issues! forgive the long post

... Biology and Genetics Winter term 2014/2015 MNSs The antigens called M and N are glycophorins A and B (GPA and GPB), products of two tightly linked genes of the glycophorin gene family, each present in two different allelic forms. The antigens are very weak even though after repeated transfusions ...

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by saddy51
Sun Jan 04, 2015 10:39 am
 
Forum: Genetics
Topic: I have got some BIG issues! forgive the long post
Replies: 1
Views: 1783

Genetics Pedigree Help Required

... unaffected individuals, then assume autosomal recessive and assign genotypes of affected and unaffected individuals.) Is this hearing loss trait X-linked recessive? Justify your answer based on expected genotypes if this were the inheritance pattern. Is this hearing loss trait X-linked dominant? ...

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by TheBell
Fri Mar 21, 2014 8:49 pm
 
Forum: Genetics
Topic: Genetics Pedigree Help Required
Replies: 0
Views: 3950

Re: Why do Africans have large noses and lips?

I don't know the answer to this specific question, but we do know some things about how genes are linked on DNA. Sometimes a trait that is helpful for survival is very closely associated with another trait on the DNA strand. So when natural selection keeps trait A in the ...

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by anneland
Sun Mar 09, 2014 6:54 pm
 
Forum: Human Biology
Topic: Why do Africans have large noses and lips?
Replies: 35
Views: 253733
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