1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 12, Problem 1S
z1. Create a Punnett square for the following crosses and use this to predict
a. A monohybrid cross between individuals with the genotype Aa and Aa
b. A dihybrid cross between two individuals with the genotype AaBb
c. A dihybrid cross between individuals with the genotype AaBb and aabb
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. An allele A that is not lethal when homozygous causes rats to have yellow coats. The allele R of a separate gene that assorts independently produces a black coat. Together, A and R produce a grayish coat, whereas a and r produce a white coat. A gray male is crossed with a yel-low female, and the F1 is 3 8 yellow, 3 8 gray, 1 8 black, and 1 8 white. Determine the genotypes of the parents.
A. Theoretical: The Punnett square will be used to examine the theoretical outcome of possible monohybrid
crosses.
1. The first cross is between a Homozygous dominant parent (PP), and a Homozygous recessive or just simply
say recessive parent (pp):
a. Fill in the Punnett square. Each box represents a genotype possibility for an offspring.
b. Place the allele donated by each parent in the corresponding box. Now list the possible genotypes and
their corresponding phenotype.
c. If an individual's genotype is heterozygous, the dominant trait will be expressed in the phenotype.
Give the percent possible for the phenotypes.
P
Genotype:
p
Phenotype:
Phenotype % probable:
1| Page
2. Cross between a Homozygous dominant parent (PP) and a Heterozygous parent (Pp). Fill in as in step one.
3. Cross between a Heterozygous parent (Pp), and another Heterozygous parent (Pp). Fill-in as before.
4. Test cross: A test cross is between a recessive parent (pp), and a Heterozygous parent (Pp). Again, fill-in…
A. Identify the most likely inheritance pattern in the pedigree below. B. What are the genotypes of individuals II-3 and Il-4? Use any letter
for your example.
1
2
II
1
2
3
4 5
II
1
2 3 4 5 6
Chapter 12 Solutions
1 SEM ACC W/RAVEN CARDED
Ch. 12.1 - Prob. 1LOCh. 12.1 - Explain the advantages of Mendels experimental...Ch. 12.2 - Evaluate the outcome of a monohybrid cross.Ch. 12.2 - Explain Mendels Principle of Segregation.Ch. 12.2 - Compare the segregation of alleles with the...Ch. 12.3 - Evaluate the outcome of a dihybrid cross.Ch. 12.3 - Explain Mendels Principle of Independent...Ch. 12.3 - Compare the segregation of alleles for different...Ch. 12.4 - Prob. 1LOCh. 12.4 - Prob. 2LO
Ch. 12.5 - Interpret data from testcrosses to infer unknown...Ch. 12.6 - Describe how assumptions in Mendels model result...Ch. 12.6 - Prob. 2LOCh. 12.6 - Explain the genetic basis for observed alterations...Ch. 12 - Inquiry question What confounding problems could...Ch. 12 - Prob. 2IQCh. 12 - Prob. 1DACh. 12 - Prob. 2DACh. 12 - Prob. 3DACh. 12 - What property distinguished Mendels investigation...Ch. 12 - The F1 generation of the monohybrid cross purple...Ch. 12 - The F1 plants from the previous question are...Ch. 12 - In a cross of Aa Bb cc X Aa Bb Cc, what is the...Ch. 12 - An organisms __________ is/are determined by its...Ch. 12 - Phenotypes like height in humans, which show a...Ch. 12 - Japanese four oclocks that are red and tall are...Ch. 12 - If the two genes in the previous question showed...Ch. 12 - What is the probability of obtaining an individual...Ch. 12 - Prob. 4ACh. 12 - Prob. 5ACh. 12 - Mendels model assumes that each trait is...Ch. 12 - z1. Create a Punnett square for the following...Ch. 12 - Explain how the events of meiosis can explain both...Ch. 12 - Prob. 3SCh. 12 - In mammals, a variety of genes affect coat color....
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