About 150,000 results
Open links in new tab
  1. Heterozygous - National Human Genome Research Institute

    2 days ago · 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 …

  2. Heterozygous Genotype: Traits and Diseases - Verywell Health

    Nov 13, 2025 · 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, …

  3. 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.

  4. Heterozygous: Definition, Examples, and Comparison to …

    Jan 7, 2020 · 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 …

  5. Heterozygous - Definition and Examples - Biology Online

    Nov 19, 2023 · 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 …

  6. What is Heterozygous in biology? - California Learning Resource …

    Mar 13, 2025 · In the realm of genetics, heterozygous describes a fundamental genotypic state where an organism possesses two different alleles for a particular gene locus on homologous …

  7. HETEROZYGOUS Definition & Meaning - Merriam-Webster

    Feb 19, 2024 · 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 …

  8. What Is a Heterozygous Gene and How Does It Work?

    An individual is considered heterozygous when they possess two different alleles for a specific gene, one inherited from each parent. For instance, if a gene determines eye color, a …

  9. Heterozygous - Definition and Examples | Biology Dictionary

    Apr 27, 2017 · 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 …

  10. Heterozygous Definition - General Biology I Key Term | Fiveable

    Being heterozygous means having two different alleles for a specific gene, which often results in the dominant allele being expressed in the phenotype. This means that if one allele is …