HH alleles are ________________ genotype.

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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HH alleles are ________________ genotype.
Phenotype and Genotype
Phenotypes
(observed traits)
Genotypes (alleles of gene)
Homozygous dominant (RR)
arinkled seed phenotypes. Notice that the
dominant allele, if present, is written first.
Round
Heterozygous (Rr)
bni bols
A round seed can have two genotypes-RR
and Rr. Both genotypes have a round
Homozygous recessive (rr)
This is because the round allele (R) is dominant
Wrinkled
to the wrinkled allele (r)
A wrinkled seed has the recessive genotype,
r The wrinkled-seed phenotype is possible
only when the same two recessive alleles (rr.
are present in the genotype.
Homozygous and Heterozygous When
the two alleles of a gene are the same, its
genotype is homozygous (hoh muh ZI gus).
Both RR and rr are homozygous genotypes, as
shown in the figure.
If the two alleles of a gene are different, its
genotype is heterozygous (he tuh roh ZI gus).
Rr is a heterozygous genotype.
Transcribed Image Text:Phenotype and Genotype Phenotypes (observed traits) Genotypes (alleles of gene) Homozygous dominant (RR) arinkled seed phenotypes. Notice that the dominant allele, if present, is written first. Round Heterozygous (Rr) bni bols A round seed can have two genotypes-RR and Rr. Both genotypes have a round Homozygous recessive (rr) This is because the round allele (R) is dominant Wrinkled to the wrinkled allele (r) A wrinkled seed has the recessive genotype, r The wrinkled-seed phenotype is possible only when the same two recessive alleles (rr. are present in the genotype. Homozygous and Heterozygous When the two alleles of a gene are the same, its genotype is homozygous (hoh muh ZI gus). Both RR and rr are homozygous genotypes, as shown in the figure. If the two alleles of a gene are different, its genotype is heterozygous (he tuh roh ZI gus). Rr is a heterozygous genotype.
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