11th December 2019


What is an allele that is masked when a dominant allele is present?

The alleles that make up the genes of an organism, known collectively as a genotype, exist in pairs that are identical, known as homozygous, or mismatched, known as heterozygous. When one of the alleles of a heterozygous pair masks the presence of another, recessive allele, it is known as a dominant allele.

Moreover, what is a gene that is expressed only in the homozygous state?

The gene or genes for diabetes are incompletely penetrant. dominant allele. an allele that masks the presence of a recessive allele in the phenotype. Dominant alleles for a trait are usually expressed if an individual is homozygous dominant or heterozygous. DNA (deoxyribonucleic acid )

What is an organism genetic makeup or allele combinations?

Genetics Vocabulary Quiz
phenotypeAn organism's physical appearance, or visible traits
genotypeAn organism's genetic makeup, or allele combinations
heterozygousDescribes an organism that has two different alleles for a trait
homozygousDescribes an organism with two identical alleles for a trait
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