Lab Exercises: In these exercises, you will learn to use the Punnett square to determine geno- typic and phenotypic outcomes for monohybrid, dihybrid, incomplete, codominant, epistatic, and sex-linked traits. Exercise #1: Monohybrid Crosses A male with blue eyes has a child with a homozygous dominant brown-eyed female. What are the genotypes and phenotypes of the resulting offspring? 1. Genotype rahio R RR Rr Phenoty pe vatio Rr Y FEx PT A male offspring from above has four children with his heterozygous brown-eyed wife. What are the genotypes and phenotypes of the resulting offspring? What are the genotypic Rt 2. and phenotypic ratios? Y RR IRr K r Rr Yr 3. A heterozygous brown-eyed male has four children with his blue-eyed wife. What are the genotypes and phenotypes of the resulting offspring? What are the genotypic and pheno- typic ratios? 120

Question
Lab Exercises: In these exercises, you will learn to use the Punnett square to determine geno-
typic and phenotypic outcomes for monohybrid, dihybrid, incomplete, codominant, epistatic,
and sex-linked traits.
Exercise #1: Monohybrid Crosses
A male with blue eyes has a child with a homozygous dominant brown-eyed female. What
are the genotypes and phenotypes of the resulting offspring?
1.
Genotype rahio
R RR
Rr
Phenoty pe vatio
Rr
Y
FEx PT
A male offspring from above has four children with his heterozygous brown-eyed wife.
What are the genotypes and phenotypes of the resulting offspring? What are the genotypic
Rt
2.
and phenotypic ratios?
Y
RR IRr
K
r Rr
Yr
3. A heterozygous brown-eyed male has four children with his blue-eyed wife. What are the
genotypes and phenotypes of the resulting offspring? What are the genotypic and pheno-
typic ratios?
120

Image Transcription

Lab Exercises: In these exercises, you will learn to use the Punnett square to determine geno- typic and phenotypic outcomes for monohybrid, dihybrid, incomplete, codominant, epistatic, and sex-linked traits. Exercise #1: Monohybrid Crosses A male with blue eyes has a child with a homozygous dominant brown-eyed female. What are the genotypes and phenotypes of the resulting offspring? 1. Genotype rahio R RR Rr Phenoty pe vatio Rr Y FEx PT A male offspring from above has four children with his heterozygous brown-eyed wife. What are the genotypes and phenotypes of the resulting offspring? What are the genotypic Rt 2. and phenotypic ratios? Y RR IRr K r Rr Yr 3. A heterozygous brown-eyed male has four children with his blue-eyed wife. What are the genotypes and phenotypes of the resulting offspring? What are the genotypic and pheno- typic ratios? 120

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