About 157,000 results
Open links in new tab
  1. Heterozygous - National Human Genome Research Institute

    1 day 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 & 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 …

  6. What Is Heterozygosity? Definition and Significance

    Sep 24, 2025 · If both parents are heterozygous for a trait, each has a 50% chance of passing on either their dominant or recessive allele to offspring. This allows offspring to be homozygous …

  7. 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.

  8. Heterozygosity: Meaning and Its Significance in Genetics

    Jul 29, 2025 · When an individual inherits two different alleles for a particular gene, they are considered heterozygous for that gene. For example, if someone receives an allele for brown …

  9. 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 …

  10. HETEROZYGOUS Definition & Meaning | Dictionary.com

    HETEROZYGOUS definition: relating to or being a heterozygote, an organism that possesses a pair of differing alleles, one dominant and one recessive, of a particular gene.