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  1. Heterozygous Genotype: Traits and Diseases - Verywell Health

    Nov 13, 2025 · Heterozygous genotypes can affect traits like eye and skin color where one allele may be dominant over another. Certain diseases like sickle cell anemia and cystic fibrosis can …

  2. Zygosity - Wikipedia

    Zygosity Homozygous and heterozygous Zygosity (the noun, zygote, is from the Greek zygotos "yoked," from zygon "yoke") (/ zaɪˈɡɒsɪti /) is the degree to which both copies of a …

  3. Definition of heterozygous genotype - NCI Dictionary of Genetics …

    The presence of two different alleles at a particular gene locus. A heterozygous genotype may include one normal allele and one mutated allele or two different mutated alleles (compound …

  4. Heterozygous - National Human Genome Research Institute

    1 day ago · Heterozygous refers to having different alleles for a particular trait. If the two versions are different, you have a heterozygous genotype for that gene. The relationship between the …

  5. Genotypes - Education

    Sep 17, 2024 · An organism with one dominant allele and one recessive allele is said to have a heterozygous genotype. In our example, this genotype is written Bb. Finally, the genotype of …

  6. Lesson 2 Study Guide Flashcards | Quizlet

    Study with Quizlet and memorize flashcards containing terms like Which of these genotypes is heterozygous? (A) AA (B) Bb (C) Cd (D) ee, Which of these is NOT a phenotype?

  7. Which of the following genotypes is heterozygous? - Pearson

    Understand the concept of heterozygous: In genetics, a heterozygous genotype means having two different alleles for a particular gene. For example, if the alleles are represented by 'A' and …

  8. Which of the following genotypes are heterozygous? Check all …

    A genotype is considered heterozygous when it consists of two different alleles for a given gene, represented as ‘Aa’. In contrast, a genotype is homozygous if it has two identical alleles, such …

  9. [FREE] Which of these genotypes are heterozygous? A. TT B. Tt …

    Apr 9, 2020 · Genetic principles established by Gregor Mendel indicate that the presence of one dominant allele (T) and one recessive allele (t) in the Tt genotype makes it heterozygous, …

  10. Homozygous vs. Heterozygous Genes - Verywell Health

    Dec 11, 2025 · If you have two copies of the same version of a gene, you are homozygous for that gene. If you have two different versions of a gene, you are heterozygous for that gene.