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When a dominant allele is paired with a recessive allele, the dominant allele determines the characteristic. When these traits or characteristics are visibly expressed, they are known as phenotypes. The genetic code behind a trait is known as the genotype.
Dominant traits are always expressed when the connected allele is dominant, even if only one copy of the dominant trait exists. Recessive traits are expressed only if both the connected alleles are recessive.
Dominant and recessive are terms used in genetics to describe the inheritance patterns of traits. Dominant traits are those that are expressed or observed when an individual has at least one copy of the dominant allele.
A dominant trait is one that is expressed or observed when an individual carries at least one copy of the corresponding gene. A recessive trait is only expressed or observed when an individual carries two copies of the corresponding gene, one from each parent.
Mendel called the dominant allele the expressed unit factor; the recessive allele was referred to as the latent unit factor.
Sep 17, 2023 · Mendel called the dominant allele the expressed unit factor; the recessive allele was referred to as the latent unit factor. We now know that these so-called unit factors are actually genes on homologous chromosomes.
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Apr 27, 2017 · If an individual carries the same two alleles for a gene, they are homozygous for that gene (aa or AA); this is the case whether the alleles are recessive or dominant. If the two alleles are different, the individual is heterozygous for the gene (Aa).
