This is where the heterozygote has a higher fitness than either homozygote.    From Wordnik.com.  [Red Lynx Simulator - The Panda's Thumb] Reference

A2A2 homozygote, the lower the equilibrium frequency of A2, for a given value of.    From Wordnik.com.  [Population Genetics] Reference

A1A1 homozygote is fitter than the A1A2 heterozygote, which in turn is fitter than the.    From Wordnik.com.  [Population Genetics] Reference

Every male ant who has even a single unfavorably mutated allele is in essence a “homozygote” for that allele.    From Wordnik.com.  [Clone war of the sexes - The Panda's Thumb] Reference

If the mutation is question is severely deleterious, for example if homozygote embryos invariably die during development to take an extreme example, it can never be fixed.    From Wordnik.com.  [The Rise of Human Chromosome 2: Beyond the Deme - The Panda's Thumb] Reference

So, the idea is that some allele exists which confers an evolutionary benefit when present in the heterozygote stronger sperm, for example, and confers homosexuality in the homozygote.    From Wordnik.com.  ["The more we play God or try to improve on Mother Nature, the more damage we are doing with all kinds of experiments that... turn into nightmares."] Reference

I added it to the list on our Instructors' Blog, stated as follows:Students should be able to define dominance as a particular relationship between the effects of two alleles; dominance is said to exist when the phenotype of the heterozygote is the same as that of a homozygote for one of the alleles the 'dominant' one.    From Wordnik.com.  [Archive 2007-11-01] Reference

In spite of my view that donated gametes should, if possible/necessary, be “aligned” to avoid the possibility of a homozygote child with a recessive genetic disease, the correct course for actual couples who want to have kids is to give them counseling, tell them about the risks, and then let them make their choice.    From Wordnik.com.  [Government Bans Aren’t a Legitimate Way of Avoiding Birth Defects] Reference

For the Saqqaq Y chromosome, we found 23 homozygote (versus 243 with the haploid model) and.    From Wordnik.com.  [Naturejobs - All Jobs] Reference

Taking all these data together and because the three isoforms from the lines homozygote for the.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Assume that a gene comes in two flavors, a and b, and that a homozygote b produces a lethal trait.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

An individual may be a homozygote with respect to one factor and a heterozygote with respect to another.    From Wordnik.com.  [Applied Eugenics] Reference

Consider a biallelic locus X with homozygote genotypes and the two hemizygotes (only one allele present).    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

As noted above, in the sample those on codon 129 who were homozygote were particularly likely to carry 127V.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

Any gene for which your parent was a heterozygote, you have a 50\% chance of being a homozygote (for one of the two possible alleles).    From Wordnik.com.  [The Globe and Mail - Home RSS feed] Reference

Since the mother is European, the potential combinations on this locus would be heterozygote, or homozygote for the light skin variant.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

(A) Phenotype axis with five genotypic values for five genotypes (two homozygote, one heterozygote and two hemizygotes) for a biallelic locus.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Since the dawn of genetics, additive and dominant gene action in diploids have been defined by comparison of heterozygote and homozygote phenotypes.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

The genotype distribution, allele frequencies and homozygote proportion did not show a significant difference between peri-centenarian and control group.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

Norway Since the dawn of genetics, additive and dominant gene action in diploids have been defined by comparison of heterozygote and homozygote phenotypes.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Applying the diploid model to the X chromosome resulted in 1,707 homozygote (versus 3,071 with the haploid model) and 76 heterozygote high-confidence SNPs.    From Wordnik.com.  [Naturejobs - All Jobs] Reference

However, adult homozygote females were infertile, their ovaries showing an absence of corpora lutea and a central proliferation of disorganized steroidogenic tissue.    From Wordnik.com.  [Journal of Biological Chemistry current issue] Reference

The extremely long period of low frequency of fitness conferring alleles which express only in the homozygote state tends to allow recombination to break up haplotype blocks.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

When talking about genetic diseases, a carrier for cystic fibrosis does not have the disease but can pass it on to one of the children if the person marries another carrier or homozygote (two copies) for cystic fibrosis.    From Wordnik.com.  [Genetics & Health] Reference

Additive genotypic value is defined as half the distance between the two homozygotes while dominance genotypic value is defined as the difference between the heterozygote genotypic value and the midpoint between the two homozygote genotypic values.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

While the two ethnic groups showed a similar frequency of the FcgammaRIIa 131 R / H heterozygote genotype, 131R / R dominated over the 131 H / H genotype in the Dogon whereas the Fulani presented a similar frequency of the two homozygote genotypes.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

Most large-scale efforts involve reverse genetic analysis of candidate genes that are either orthologs of essential genes in other organisms, fail to generate a knockout homozygote, or share a common cellular process, metabolic pathway, or protein interactor with a known.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

A population vulnerable to kuru will always exist in the previously known gentic architecture because selection for heterozygotes (at 129) is going to result in the production of homozygotes naturally out of the process of Mendelian segregation (heterozygote parents are likely to produce some homozygote children).    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

Upon examining DSB-stimulated translocation in cells where the his3-Δ3′ substrate was at the HIS3 locus, we found that the est2Δ allele had a similar effect, as the frequency was reduced 14 - to 60-fold in the est2Δ / est2Δ homozygote regardless of whether the cells were pre-senescent, senescent or post-senescent.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

A2A2 homozygote from that of the other two genotypes. (s is known as the selection co-efficient against.    From Wordnik.com.  [Population Genetics] Reference

Finally, Cariaso informed me that I was the first G;G homozygote they’d found at SNP rs53576 in OXTR, better known as the empathy gene!.    From Wordnik.com.  [The $1,000 Genome] Reference

CI = 0. 530-0.981, P = 0.037), compared with rs2233408 C homozygote (CC). rs2233408 T heterozygotes were significantly associated with reduced risk of intestinal-type gastric cancer with ORs of.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

0.01. (b) Diagrams showing the reiteration of modular sympodial units along individual shoots from M82-determinate (left), sft/sft homozygote (right) and sft/+ heterozygote plants (middle).    From Wordnik.com.  [Naturejobs - All Jobs] Reference

A2A2 homozygote.    From Wordnik.com.  [Population Genetics] Reference

A1A1 homozygote.    From Wordnik.com.  [Population Genetics] Reference

AA = homozygote.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

2, σ2) corresponding to the heterozygote were initially set to zero, implying that only the homozygote SL/SL is susceptible to scrapie.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

) homozygote and sibling regenerating fins were photographed at four and seven days post amputation.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference