1. Create a Punnett square showing the genotypes of the offspring for a homozygous dominant purple plant crossed with a heterozygous purple plant. Be sure to include the genotype and phenotype ratios.

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Chapter13: Observing Patterns In Inherited Traits
Section: Chapter Questions
Problem 10GP: Red-flowering snapdragons are homozygous for allele RI. White-flowing snapdragons are homozygous for...
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1. Create a Punnett square showing the genotypes of the offspring for a homozygous dominant
purple plant crossed with a heterozygous purple plant. Be sure to include the genotype and
phenotype ratios.
od zaupal
2. In a population of snapdragons, two heterozygous pink individuals mate. What is the percent
chance that a PINK plant will be the offspring? Include a Punnett square to show your work.
What type of dominance does this plant show?
3. There was a mix of up children in the maternity ward of a hospital. The children in question and
their blood types are listed below.
Child 1: type A (genotype I^I^ or I^i)
Child 2: type B (genotype 1³1³ or 1³i)
Child 3: type AB (genotype IA1B)
Child 4: type O (genotype ii)
a. Which child or children could belong to a couple having AB and O blood types? Show
your work.
b. Based on the previous question, is it possible to prove paternity based on blood
types? Explain.
Lab Report Mendelian Genetics.
201
Transcribed Image Text:1. Create a Punnett square showing the genotypes of the offspring for a homozygous dominant purple plant crossed with a heterozygous purple plant. Be sure to include the genotype and phenotype ratios. od zaupal 2. In a population of snapdragons, two heterozygous pink individuals mate. What is the percent chance that a PINK plant will be the offspring? Include a Punnett square to show your work. What type of dominance does this plant show? 3. There was a mix of up children in the maternity ward of a hospital. The children in question and their blood types are listed below. Child 1: type A (genotype I^I^ or I^i) Child 2: type B (genotype 1³1³ or 1³i) Child 3: type AB (genotype IA1B) Child 4: type O (genotype ii) a. Which child or children could belong to a couple having AB and O blood types? Show your work. b. Based on the previous question, is it possible to prove paternity based on blood types? Explain. Lab Report Mendelian Genetics. 201
4. If your individual tally for the corn kernels was not as expected, discuss one reason why you
think the ratios may have been different from the expected values.
5. Did you see a difference between individual ratio (or percentage) and the classroom tally? Why
do you think that is?
6. Discuss the Law of Independent Assortment and how it may be important to this cross.
I
nd bould b
5
Figure 6. Pedigree chart for freckles.
A filled-in figure means the person has freckles; the freckles allele is dominant.
7. Write the genotypes directly on the pedigree chart in Figure 6.
202 Mendelian Genetics Lab Report
eni
s
7
I
II
III
IV
Transcribed Image Text:4. If your individual tally for the corn kernels was not as expected, discuss one reason why you think the ratios may have been different from the expected values. 5. Did you see a difference between individual ratio (or percentage) and the classroom tally? Why do you think that is? 6. Discuss the Law of Independent Assortment and how it may be important to this cross. I nd bould b 5 Figure 6. Pedigree chart for freckles. A filled-in figure means the person has freckles; the freckles allele is dominant. 7. Write the genotypes directly on the pedigree chart in Figure 6. 202 Mendelian Genetics Lab Report eni s 7 I II III IV
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