Dictionary » H » Homozygotes


(noun) Plural form of homozygote.

See homozygote for definition and additional information.

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I have got some BIG issues! forgive the long post

... result from consanguineous matings in which parents are blood relatives (e.g., first cousins). Whenever inbreeding occurs, the proportion of rare homozygotes increases in - 30 - Medical Biology and Genetics Winter term 2014/2015 MNSs The antigens called M and N are glycophorins A and B (GPA and ...

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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: 1775

Do chromosomses ever get competitive?

... and "B". A and B are beneficial on their own, but they interfere with eachother in heterozygotes, so heterozygotes are less fit than homozygotes. Since natural selection can only select against alleles, not genotypes, the heterozygous genotype persists. Then, in comes a new gene from ...

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by wildfunguy
Sun Sep 29, 2013 2:50 pm
Forum: Cell Biology
Topic: Do chromosomses ever get competitive?
Replies: 9
Views: 11112

Population genetics - make inferences from allele frequency

... across a whole species distribution is 0.75 or 0.5, can you make any inference about something like dominant-recessive relationship or lethal homozygotes? I assume random mating (no sexual selection), diploid, no drift (genetically well connected) or something that meets Hardy-Weinberg equilibrium ...

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by Young
Sun Aug 25, 2013 10:52 pm
Forum: Genetics
Topic: Population genetics - make inferences from allele frequency
Replies: 1
Views: 2135

mutation-selection balance

... that have the same mutation rate. Indeed, under mutation-selection balance, the predicted frequency of a recessive allele, q, that is lethal in homozygotes is (because μ < 1, q =√μ, resulting in a relatively higher allele frequency for lethal recessive alleles). If the allele is not lethal ...

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by Monco
Mon Mar 04, 2013 10:41 pm
Forum: Genetics
Topic: mutation-selection balance
Replies: 0
Views: 4035

How are balancer chromosomes introduced?

... smg gene and Stock B has a mutant nos gene. Homozygous individuals from each stock can be identified by having a Ubx gene and dark black body. Homozygotes are sterile. The homozygotes are selected from each stock in the winter and offspring from both die. In the summer, offspring from homozygotes ...

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by hnanon
Mon Oct 22, 2012 3:24 am
Forum: Genetics
Topic: How are balancer chromosomes introduced?
Replies: 0
Views: 1217
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