Heterozygous - National Human Genome Research Institute
网页2 天之前 · An allele is one of two or more alternative forms of a gene, and they are found at the same place, or locus, on the chromosome. Heterozygous refers to having different alleles for a particular trait. If the two versions are different, you have a heterozygous genotype for that gene.
Heterozygous vs. Homozygous: Definitions and Differences
网页2024年3月20日 · Generally speaking, there are three different possibilities: Someone is homozygous for the normal β-globin gene (has two normal copies). Someone is heterozygous (has one normal and one abnormal copy). Someone is homozygous for the abnormal β-globin gene (has two abnormal copies).
Heterozygous: Definition, Examples, and Comparison to …
网页2020年1月7日 · If you’re homozygous for a particular gene, you inherited two of the same alleles. It means your biological parents contributed identical variants. In this scenario, you may have two normal ...
Heterozygote Definition & Meaning - Merriam-Webster
网页noun. het· ero· zy· gote ˌhe-tə-rō-ˈzī-ˌgōt. : a heterozygous individual. Examples of heterozygote in a Sentence.
Heterozygous - Definition and Examples | Biology Dictionary
网页2017年4月27日 · Heterozygous is a description of the genotype, or combination of alleles present in an organism. The genotype gives rise to the phenotype. Depending on the different relationships between alleles, different phenotypes are created in …
Heterozygote | biology | Britannica
网页In human genetic disease: Autosomal dominant inheritance. It manifests itself in the heterozygote (designated Aa), who receives a mutant gene (designated a) from one parent and a normal (“wild-type”) gene (designated A) from the other. In such a case the pedigree (i.e., a pictorial representation of family history) is vertical—that is ...
Heterozygous Genotype: Traits and Diseases - Verywell Health
网页2024年8月25日 · Heterozygous is a term used in genetics to describe when two variations of a gene, known as alleles, are paired at the same location (locus) on a chromosome. By contrast, homozygous is when there are two copies of the same allele at the same locus.
Understand the Meaning of Heterozygous - ThoughtCo
网页2019年11月27日 · In diploid organisms, heterozygous refers to an individual having two different alleles for a specific trait. An allele is a version of a gene or specific DNA sequence on a chromosome. Alleles are inherited through sexual reproduction as the resulting offspring inherit half of their chromosomes from the mother and half from the father.
Heterozygote - Encyclopedia.com
网页2018年5月9日 · heterozygote (symbol Hz) Organism possessing two contrasting forms of a gene in a chromosome pair. In cases where one form is dominant and the other recessive, only the dominant form is expressed in the phenotype (physical characteristics).
Heterozygous - Definition and Examples - Biology Online
网页2023年11月19日 · Heterozygous Definition. adjective. (genetics) Of, or pertaining to an individual (or a condition in a cell or an organism) containing two different alleles for a particular trait. More Info on Heterozygous.