Problem 2: You identify a population of field mice (Peromyscus maniculatus) on an island off the coast of Florida. Their coat color is controlled by a single gene: C1C1 mice are black, C1C2 mice are brown and C2C2 mice are white. You take a census of the population and record the following numbers of mice: a Black 400 WC1C1= WC1C2= wC2C2= Brown 300 White 100 a) What are the frequencies of the two alleles? (please use p for frequency of the C1 allele and q for that of the C2 allele and use four decimals) p= q= b) A heat wave hits the island. All mice with black fur and half of the brown mice die from heat stroke, but other mice survive. Please indicate the fitness associated with each genotype/phenotype. c) What are the new genotype and allele frequencies for the population after the selective event? Please compare those with the corresponding frequencies before selection and indicate how they have changed. the value of f(C1C1) after selection is = ; the frequency of genotype C1C1 [f(C1C1)] has (increased/decreased) (increased/decreased) the value of f(C1C2) after selection is = ; the frequency of genotype C1 C2 f(C1C2) has the value of f(C2C2) after selection is = ; the frequency of genotype C2C2 f(C2C2) has (increased/decreased) p after selection= q after selection= d) This is a case of ; the frequency of the C1 allele [p] has ; the frequency of the C2 allele [q] has selection (type of selection) against the (increased/decreased) (increased/decreased) allele (type of dominance) (name of the allele that is selected against)
Problem 2: You identify a population of field mice (Peromyscus maniculatus) on an island off the coast of Florida. Their coat color is controlled by a single gene: C1C1 mice are black, C1C2 mice are brown and C2C2 mice are white. You take a census of the population and record the following numbers of mice: a Black 400 WC1C1= WC1C2= wC2C2= Brown 300 White 100 a) What are the frequencies of the two alleles? (please use p for frequency of the C1 allele and q for that of the C2 allele and use four decimals) p= q= b) A heat wave hits the island. All mice with black fur and half of the brown mice die from heat stroke, but other mice survive. Please indicate the fitness associated with each genotype/phenotype. c) What are the new genotype and allele frequencies for the population after the selective event? Please compare those with the corresponding frequencies before selection and indicate how they have changed. the value of f(C1C1) after selection is = ; the frequency of genotype C1C1 [f(C1C1)] has (increased/decreased) (increased/decreased) the value of f(C1C2) after selection is = ; the frequency of genotype C1 C2 f(C1C2) has the value of f(C2C2) after selection is = ; the frequency of genotype C2C2 f(C2C2) has (increased/decreased) p after selection= q after selection= d) This is a case of ; the frequency of the C1 allele [p] has ; the frequency of the C2 allele [q] has selection (type of selection) against the (increased/decreased) (increased/decreased) allele (type of dominance) (name of the allele that is selected against)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Population Growth
R and K Selection
R and K selection are concepts in ecology used to describe traits in the fluctuation of a population or population dynamics. For example, they describe the life-association traits between parent and offspring, such as quantity or number of young ones born at a time, quality of parental care, the age to maturity, and reproductive effort.
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![Problem 2: You identify a population of field mice (Peromyscus maniculatus) on an island off the coast of Florida. Their coat color is controlled by a single gene: C1C1 mice are black, C1 C2 mice are brown and C2C2
mice are white. You take a census of the population and record the following numbers of mice:
Black
400
WC1C1=
WC1 C2=
WC2C2=
Brown
300
White
100
a) What are the frequencies of the two alleles? (please use p for frequency of the C1 allele and q for that of the C2 allele and use four decimals)
p=
q=
b) A heat wave hits the island. All mice with black fur and half of the brown mice die from heat stroke, but other mice survive. Please indicate the fitness associated with each genotype/phenotype.
c) What are the new genotype and allele frequencies for the population after the selective event? Please compare those with the corresponding frequencies before selection and indicate how they have changed.
the value of f(C1C1) after selection is =
; the frequency of genotype C1C1 [f(C1C1)] has
(increased/decreased)
(increased/decreased)
the value of f(C1C2) after selection is =
; the frequency of genotype C1 C2 f(C1 C2) has
the value of f(C2C2) after selection is =
; the frequency of genotype C2C2 f(C2C2) has
(increased/decreased)
p after selection=
q after selection=
d) This is a case of
; the frequency of the C1 allele [p] has
; the frequency of the C2 allele [q] has
selection (type of selection) against the
(increased/decreased)
(increased/decreased)
allele (type of dominance)
(name of the allele that is selected against)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4143f45a-5c96-4449-af2f-abda697f3e91%2Fcf01b19a-13e6-4e7d-b6a7-026bc6e0de2c%2Fzesuf5_processed.png&w=3840&q=75)
Transcribed Image Text:Problem 2: You identify a population of field mice (Peromyscus maniculatus) on an island off the coast of Florida. Their coat color is controlled by a single gene: C1C1 mice are black, C1 C2 mice are brown and C2C2
mice are white. You take a census of the population and record the following numbers of mice:
Black
400
WC1C1=
WC1 C2=
WC2C2=
Brown
300
White
100
a) What are the frequencies of the two alleles? (please use p for frequency of the C1 allele and q for that of the C2 allele and use four decimals)
p=
q=
b) A heat wave hits the island. All mice with black fur and half of the brown mice die from heat stroke, but other mice survive. Please indicate the fitness associated with each genotype/phenotype.
c) What are the new genotype and allele frequencies for the population after the selective event? Please compare those with the corresponding frequencies before selection and indicate how they have changed.
the value of f(C1C1) after selection is =
; the frequency of genotype C1C1 [f(C1C1)] has
(increased/decreased)
(increased/decreased)
the value of f(C1C2) after selection is =
; the frequency of genotype C1 C2 f(C1 C2) has
the value of f(C2C2) after selection is =
; the frequency of genotype C2C2 f(C2C2) has
(increased/decreased)
p after selection=
q after selection=
d) This is a case of
; the frequency of the C1 allele [p] has
; the frequency of the C2 allele [q] has
selection (type of selection) against the
(increased/decreased)
(increased/decreased)
allele (type of dominance)
(name of the allele that is selected against)
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