what is heterozygous for a trait
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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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What is Homozygous? - Definition, Traits & Example For example, the allele that gives rise to albinism is recessive, and the allele for normal pigment production is dominant. That means that a heterozygous individual with the genotype Aa, who has one copy of the normal allele and one copy of the albinism allele, would not be an albino. This is because since A is dominant, one copy of A is enough to give the normal phenotype.
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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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What is Heterozygous? - Definition, Traits & Example - Definition, Traits & Example. We all have two copies of each of our genes. If your two copies are slightly different than each other, congratulations, you're heterozygous! Learn how heterozygosity occurs, and why it can be a good thing to be slightly mismatched.
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- Definition: Homozygous refers to having identical alleles for a single trait. Related Terms: Allele, Genes, Heterozygous. Examples: The gene for seed shape in pea plants exists in two forms, one form or allele for round seed shape (R) and the other for wrinkled seed shape (r).
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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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- Credit: Steve Berg. An organism that is heterozygous for a trait has two different alleles for that trait. An allele is an alternative form of a gene (one member of a pair) that is located at a specific position on a specific chromosome.These DNA codings determine distinct traits that can be passed on from parents to offspring.n organism that is heterozygous for a trait has two different alleles for that trait.
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- Heterozygous means there are two different alleles for the same gene Alleles may be a dominant and recessive pair or codominant Heterozygotes allow lethal characteristics to be passed to the next generation
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- The genetic selective scenario in which a heterozygote for two alleles of a gene has an advantage over either of the homozyous states is called balanced polymorphism. A key concept to keep in mind is that the selection is for sickle cell trait. A common misstatement is that malaria selects for sickle cell disease.
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heterozygous [het′ərəzī′gəs] Etymology: Gk, heteros + zygotos, yoked. 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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- Heterozygous 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.hile carriers have the dominant/recessive genotype for a given gene, they only show the phenotype caused by the dominant version of that gene. If someone has the phenotype caused by the disease allele of a gene, we say they are affected. People who do not have that phenotype are unaffected.
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allele In heterozygous individuals, one of the alleles is usually dominant, and the other is recessive. In humans, for example, the allele for brown eyes is dominant, and the allele for blue eyes is recessive.
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What does it mean to be heterozygous for a trait? a dominant heterozygous appears in the genotype,that trait will be evident in the phenotype. Heterozygosity implies possessing both a dominant and a recessive allele and the phenotype that is exhibited in a heterozygote is always the dominant one (hence the name 'domi…nant').
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What is a homozygous dominant trait? There are three forms of alleles; Homozygous dominant Homozygous recessive Heterozygous dominant 'Homo' means the same, so a homozygous DOMINANT allele would be 'BB' and a homozygous RECESSIVE allele would be 'bb'.'Hetero' means different, so a heterozygous DOMINANT allele would be 'Bb'. heterozygous dominant trait would be composed of two different alleles, and since it's dominant those alleles would be 'Bb' 4. A homozygous recessive trait would have the same alleles but they would be recessive, so a homozygous recessive trait would be 'bb'. Hope that made some sort of sense!
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What is Heterozygous? - Definition, Traits & Example For example, a gene that makes the brown pigment in your eyes might come in a regular (brown) version and a mutant (blue) version. Because you have two copies of your DNA (one from Mom and one from Dad), you might end up with two different alleles of the same gene. In that case, we would say you are heterozygous.
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Biology (chapter 9) Heterozygous:an organism that has 2 different alleles for a trait. Homozygous: an organism that has 2 identical alleles for a trait Dominant Allele: an allele whose trait always shows up in the organism when the allele is present, represented by capital letter.elf-fertilization: using the sperms and eggs already had to undergo fertilization. Cross-fertilization: fertilization of one thing by another thing. Purebred Organisms: Hybrids: the offspring of 2 true-breeding varieties.
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Phillips 66 Phillips 66. The Phillips 66 Company (NYSE: PSX) is an American multinational energy company headquartered in Westchase, Houston, Texas. It debuted as an independent energy company when ConocoPhillips executed a spin-off of its downstream and midstream assets.
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Bacterial Metabolism: Cellular Respiration Copyright © Gary E. Kaiser. NADH and FADH 2 carry protons (H +) and electrons (e -) to the electron transport chain located in the membrane. The energy from the transfer of electrons along the chain transports protons across the membrane and creates an electrochemical gradient.t the end of the electron transport system, two protons, two electrons, and half of an oxygen molecule combine to form water. Since oxygen is the final electron acceptor, the process is called aerobic respiration.
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What is Mm is it heterozygous recessive or dominant? Heterozygous is a term that describes the genotype and just means that there are two alleles of different types. If you're heterozygous, you're Mm. You can't be heterozygous dominant or heterozygous recessive because by definition if you're heterozygous you have one of each allele.You only specify dominant or recessive when it's homozygous. So, in short, it's neither, it's just plain heterozygous.f you're heterozygous, you're Mm. You can't be heterozygous dominant or heterozygous recessive because by definition if you're heterozygous you have one of each allele. You only specify dominant or recessive when it's homozygous.
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Someone who is heterozygous for a recessive allele that causes a disorder ? An XX female will express a recessive sex-linked trait if she D. is homozygous for the recessive allele. 4. Suppose a mouse is homozygous for alleles that produce black fur and homozygous for alleles of an epistatic gene that produces albinism.
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What is Heterozygous? - Definition, Traits & Example For example, a gene that makes the brown pigment in your eyes might come in a regular (brown) version and a mutant (blue) version. Because you have two copies of your DNA (one from Mom and one from Dad), you might end up with two different alleles of the same gene. In that case, we would say you are heterozygous. The opposite of that is homozygous, two identical alleles.
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Jewish diaspora Jewish diaspora. The Jewish diaspora (Hebrew: Tfutza, תְּפוּצָה) or exile (Hebrew: Galut, גָּלוּת; Yiddish: Golus) is the dispersion of Israelites, Judahites and later Jews out of their ancestral homeland (the Land of Israel) and their subsequent settlement in other parts of the globe.
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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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Homozygous Homozygous. Definition. adjective. (1) Of, or pertaining to an individual (or a condition in a cell or an organism) containing two copies of the same allele for a particular trait located at similar positions (loci) on paired chromosomes (see homologous chromosomes). (2) Having two identical alleles that code for the same trait.
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HOMOZYGOUS, OR NOT HOMOZYGOUS? Heterozygous means that a horse has one copy of a gene for a dominant trait, and one copy of a recessive (non-trait) at that location in its genetic makeup. This horse will produce or pass along the dominant trait (like dun factor, roaning, gray, black, etc.) 50% of the time.
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- Homozygous is the term used to describe an individual that has two of the same alleles. This term can be used for either dominant or recessive (both BB and bb are homozygous). … Therefore you would probably call them a homozygous dominant individual. 3 people found this useful. Jesse Dang.