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What is a homozygous recessive genotype?

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To have a dominant phenotype, you only need one dominant allele. 7. To have a recessive phenotype, you need both recessive alleles. 8. One half of an offspring's genes come from each parent. 9. Offspring can only inherit alleles that the parents have to donate. Terms for Genotype Combinations. read more

Blue eyes are a homozygous recessive genotype. Basically, if its a recessive trait you need 2 copies of the allele (one from each parent) in order for the trait to appear. If you have one allele for brown eyes and one allele for blue eyes, you have brown eyes. read more

Organisms carry both dominant and recessive alleles of a gene. Such organisms would be called carriers of a recessive allele. In this instance, the organism would only show the dominant phenotype of the gene. Cystic fibrosis is another homozygous recessive phenotype. read more

Start studying Heterozygous, homozygous, dominant, recessive. Learn vocabulary, terms, and more with flashcards, games, and other study tools. read more

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Genotypes and phenotypes
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