Heterozygous Genetics 101

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Heterozygous: Definition, Examples, and Comparison to Homozygous
When you’re heterozygous for a specific gene, it means you have two different versions of that gene. The dominant form can completely mask the recessive one, or they can blend together.

Heterozygous Genotype: Traits and Diseases - Verywell Health
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.

Heterozygous - National Human Genome Research Institute
Heterozygous, as related to genetics, refers to having inherited different versions (alleles) of a genomic marker from each biological parent. Thus, an individual who is heterozygous for a genomic marker has two different versions of that marker.

Homozygous vs. Heterozygous: What's the Difference?
Learn the difference between homozygous vs. heterozygous with simple explanations and clear examples. Understand how these genetics terms are used, their impact on traits, and how they shape inheritance.

Heterozygous - Definition and Examples | Biology Dictionary
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 a heterozygous individual.

Heterozygous - Definition and Examples - Biology Online
The term heterozygous is used to describe a cell, a nucleus, or an individual organism that carries different or non-identical alleles for a particular trait at the same loci on homologous chromosomes.

Zygosity - Wikipedia
The words homozygous, heterozygous, and hemizygous are used to describe the genotype of a diploid organism at a single locus on the DNA.

HETEROZYGOUS Definition & Meaning - Merriam-Webster
The meaning of HETEROZYGOUS is having the two alleles at corresponding loci on homologous chromosomes different for one or more loci. How to use heterozygous in a sentence.

HETEROZYGOUS definition | Cambridge English Dictionary
HETEROZYGOUS meaning: 1. having two different forms of a gene (= part of a cell containing DNA information) that controls…. Learn more.

What Are Homozygous and Heterozygous Traits?
Two key terms used in understanding inherited traits are homozygous and heterozygous. These concepts describe the type of genetic information we inherit from our parents and how it influences our traits, characteristics, and even our risk of certain conditions.

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Enhancing local meiotic crossovers in Arabidopsis and maize through juxtaposition of heterozygous and homozygous regions  Nature
Identification and functional characterization of a novel heterozygous splice-donor (c.647+1G>A) site mutation in SPTB gene causes hereditary spherocytosis with hemolytic anemia  Frontiers
KRIT1 heterozygous mutations are sufficient to induce a pathological phenotype in patient-derived iPSC models of cerebral cavernous malformation  ScienceDirect.com
Assessment of CDKN2A homozygous and heterozygous deletions in gliomas across multiple detection platforms  BMC Cancer
Balloon Pulmonary Angioplasty in Heterozygous RNF213 p.Arg4810Lys Variant Carriers Diagnosed With Chronic Thromboembolic Pulmonary Hypertension  American Heart Association Journals
Triple Assessments of Atherosclerosis in Patients With Heterozygous Familial Hypercholesterolemia  JACC Journals
Phenotypic complexities of rare heterozygous neurexin-1 deletions  Nature
Affective phenotypes in heterozygous LRRK2 R1441G knock-in mice  Frontiers
Heterozygous Kmt2d loss diminishes enhancers to render medulloblastoma cells vulnerable to combinatory inhibition of LSD1 and OXPHOS  ScienceDirect.com
Beyond the homozygous paradigm: symptomatic partial biotinidase deficiency in a heterozygous child—first case report from Nepal  BMC Pediatrics
Effect of heterozygous deletions on phenotypic changes and dosage compensation in Arabidopsis thaliana  Nature
Case Report: Heterozygous ADAR c.3019G>A pathogenic variant associated with variable neurological symptoms and incomplete penetrance in a four-generational family  Frontiers
Bacterial heterozygosity promotes survival under multidrug selection  ScienceDirect.com
Transcriptomic and epigenomic consequences of heterozygous loss-of-function mutations in AKAP11, a shared risk gene for bipolar disorder and schizophrenia | Molecular Psychiatry  Nature
Unraveling the pathogenicity role of the novel compound heterozygous mutations of MED25 gene in a Chinese patient with BVSYS  Frontiers