what is heterozygous?
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heterozygous Definition of heterozygous. : having the two alleles at corresponding loci on homologous chromosomes different for one or more loci.
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Difference Between Homozygous and Heterozygous • In homozygous genotypes, there are two types of phenotypes expressed while only one type is expressed in heterozygous genotypes. • For a recessive gene to be expressed as a phenotype, it must have to be a recessive homozygous genotype, but not a heterozygous genotype.
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- Homozygous and Heterozygous. If an organism has two copies of the same allele, for example AA or aa, it is homozygous for that trait. If the organism has one copy of two different alleles, for example Aa, it is heterozygous. Keep in mind that an organism can't simply be 'homozygous,' period.
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What is the difference between homozygous and heterozygous? If homozygous genotypes are represented by BB (normal) and bb (affected) and heterozygous genotypes are represented by Bb (carrier genotype) Below are examples and probabilities of children born to parents with different genptypes: Parents BB x BB Two healthy parents.
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- that you can share with students: namely, Melvil Dewey himself. Dewey was a fascinating blend of genius, reformer, and fanatical philanthropist, and as such caused storms of controversy during his lifetime. He was intense, organized, outspoken, irrepressible, and noticeably eccentric. People who met him either loved his
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heterozygous having two different alleles at corresponding loci on homologous chromosomes. An individual who is heterozygous for a trait has inherited an allele for that trait from one parent and an alternative allele from the other parent. An individual who is heterozygous for a genetic disease caused by a dominant allele, such as Huntington's disease, manifests the disorder. A person who is heterozygous for a hereditary disorder produced by a recessive allele, such as sickle cell anemia, is asymptomatic or exhibits reduced symptoms of the disease.
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- A - having the same allele at the same locus on both members of a pair of homologous chromosomes. Homozygous also refers to a genotype consisting of two identical alleles of a gene for a particular trait. An individual may be homozygous dominant (AA) or homozygous recessive (aa).he alleles for a trait occupy the same locus or position on homologous chromosomes and thus govern the same trait. However, because they are different, their action may result in different expressions of that trait.
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A parent that is homozygous for a dominant trait is crossed with a parent that is homozygous for the recessive trait What percentage of the offspring will display the recessive trait? homozygous dominant means two alleles that are the same that are capital letters, heterozygous recessive means that to alleles are different BUT the same letters in lower case … . (alleles for gender) EX: TT, Tt is homozygous dominant tt, tt is heterozgous recessive.
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Allele an organism with identical pairs of genes (or alleles) for a specific trait. If both of the two gametes (sex cells) that fuse during fertilization carry the same form of the gene for a specific trait, the organism is said to be homozygous for that trait. In a heterozygous organism, or heterozygote,...
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What is the Relationship Between a Chromosome and an Allele? During reproduction, each parent passes on one allele for each gene. If the alleles are the same, the offspring is “homozygous” for that trait, and it will show up in the offspring. A “heterozygous” trait has two different alleles. In this case, one trait may show up, or both alleles might combine to produce a different version.
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- Heterozygous-two alleles for a specific gene that are different. Genotype-alleles you have. Phenotype-actual characteristics you have. Reply. Homozygous-when the 2 alleles are the same. Heterozygous-when the 2 alleles are different. Phenotype-what the alleles physically look like.Genotype-the alleles as letters eg bb Bb BB etc. Reply. Homozygous – genes that are the same. Heterozygous – genes that are different. Genotype – the gene you carry that aren’t visible.eply. Homozygous-when the 2 alleles are the same. Heterozygous-when the 2 alleles are different. Phenotype-what the alleles physically look like. Genotype-the alleles as letters eg bb Bb BB etc. Reply. Homozygous – genes that are the same.
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What is the difference between homozygous and heterozygous? Humans contain two copies of each gene, one from the father and one from the mother, which sometimes are referred to as the alleles of a gene. If a mutation occurs in just one copy of the gene then that individual is considered heterozygous.
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heterozygous Medical Definition of heterozygous. : having the two genes at corresponding loci on homologous chromosomes different for one or more loci—compare homozygous.
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bio unit 9 compare and contrast heterozygous and homozygous genotypes. Heterozygous has 2 different alles fro a gene and homozygous has 2 identical alleles for a gene. *if alleles are heterozygous one will be dominant and determine appearance.
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- These terms describe whether the two alleles (versions) of a gene carried by an organism such as a fly are the same or different. 1  Homozygous means that the organism has two of the same allele. For example: a b b fly would be homozygous. 2  Heterozygous means that the organism has two different alleles.
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Medical Dictionary : any bacterium of the family Enterobacteriaceae that is resistant to most antibiotics including carbapenems and may cause severe infections (as of the blood or urinary tract) especially in hospitalized patients ◆Bacteria that may become CRE include E.coli and species of the genus Klebsiella (such as K. pneumoniae) … all antibiotic-resistant ...
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CHART: How Far Soccer Players Run During A World Cup Match Follow Business Insider: One aspect of soccer that separates it from many sports is the unique combination of speed and endurance that is required, and no position must run farther during a match than midfielders. These players are often asked to cover the entire length of the field, which can be up to 130 yards long. During the U.S. national team's opening match against Ghana, midfielder Michael Bradley led the team with 7.9 miles covered during the match.
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heterozygous having two different alleles at corresponding loci on homologous chromosomes. An individual who is heterozygous for a trait has inherited an allele for that trait from one parent and an alternative allele from the other parent.An individual who is heterozygous for a genetic disease caused by a dominant allele, such as Huntington's disease, manifests the disorder.aving two different alleles at corresponding loci on homologous chromosomes. An individual who is heterozygous for a trait has inherited an allele for that trait from one parent and an alternative allele from the other parent.
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Contents: Allele vs Gene edit Homozygotes and Heterozygotes. Each organism has two alleles for every gene, one on each chromosome. If the two alleles are the same (e.g., both coding for blue eyes), they are called homozygotes. If they are different (e.g., one for blue eyes and one for brown eyes), they are heterozygotes.In the case of heterozygotes, the individual may express either one or a combination of the two traits.lleles may be dominant or recessive. A dominant allele is one that will always be expressed if present. For example, the allele for Huntington’s disease is dominant, so if an individual inherits an allele for Huntington’s from only one of the parents, they will have the disease.
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Genotypes and phenotypes Homozygous means that the organism has two copies of the same allele for a gene. An organism can be homozygous dominant, if it carries two copies of the same dominant allele, or homozygous recessive, if it carries two copies of the same recessive allele.eterozygous means that an organism has two different alleles of a gene. For example, pea plants can have red flowers and either be homozygous dominant (red-red), or heterozygous (red-white). If they have white flowers, then they are homozygous recessive (white-white). Carriers are always heterozygous.
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homozygous If you're homozygous, you’ve got a pair of matching alleles, which are the two genes that control a particular trait. If both your alleles that determine blood type are O, you're homozygous — and you've got type O blood. The Greek root homo- means same, and a zygote is a cell created when two gametes — a sperm and an egg, in humans — come together. The zygote gets half its genetic material from each parent, one allele in the pair from each. If the eye color allele you inherit from your mother and the one you get from your father are both for blue eyes, then you’re homozygous for that trait (and you have blue eyes). Definitions of homozygous.
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- Heterozygote: An individual who has two different forms of a particular gene, one inherited from each parent. A heterozygote for cystic fibrosis (CF) has the CF gene on one chromosome 7 and the normal paired gene on the other chromosome 7. Also known as carrier. Last Editorial Review: 5/13/2016.
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Terms that describe two alleles of the same gene? Confidence votes 38. It sounds like you are referring to homozygous vs heterozygous. If an organism has two identical alleles of the same gene, it is said to be homozygous. If an organism has two different alleles of the same gene, it is said to be heterozygous.
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"What does ""homozygous"" mean?" Alleles are alternative forms of a gene. They can be dominant or recessive. When fertilization occurs, a zygote is formed with genetic information from both parents. When the same allele for a particular gene is received from both parents, the condition is known as homozygous (equal in the zygote).
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Balancing selection In heterozygote advantage, or heterotic balancing selection, an individual who is heterozygous at a particular gene locus has a greater fitness than a homozygous individual. Polymorphisms maintained by this mechanism are balanced polymorphisms.
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Heterozygote advantageupdate A heterozygote advantage (heterozygous advantage) describes the case in which the heterozygote genotype has a higher relative fitness than either the homozygote dominant or homozygote recessive genotype. common example is the case where the heterozygote conveys both advantages and disadvantages, while both homozygotes convey a disadvantage. A well-established case of heterozygote advantage is that of the gene involved in sickle cell anaemia.