In a population of stick insects, brown color (B) is dominant to green color (b). After sampling 1000 individuals, you find that 810 are green and 190 are brown. Q16.1 Assuming this population is in Hardy-Weinberg equilibrium, how many of the brown individuals do you expect to be heterozygous? Show your work for potential partial credit.

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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You are investigating three species of urchins that all live near Bodega Bay, California: Purple,
Red, and Black. You want to understand what reproductive barriers exist between the Purple
urchin and the other two species. You bring them into the lab, gather gametes from each
species, and produce 100 larvae from each of the matings shown below. You raise these larvae
for one year and count the number of offspring that survive to 2 weeks, 1 month, and 1 year. On
the x-axis are the four time points in order and the y-axis represents the number of individuals
surviving to that age.
100 -
cross
Purple x Purple
Purple x Red
Purple x Black
larvae
2 weeks
1 month
1 year
age
Number of individuals
Transcribed Image Text:You are investigating three species of urchins that all live near Bodega Bay, California: Purple, Red, and Black. You want to understand what reproductive barriers exist between the Purple urchin and the other two species. You bring them into the lab, gather gametes from each species, and produce 100 larvae from each of the matings shown below. You raise these larvae for one year and count the number of offspring that survive to 2 weeks, 1 month, and 1 year. On the x-axis are the four time points in order and the y-axis represents the number of individuals surviving to that age. 100 - cross Purple x Purple Purple x Red Purple x Black larvae 2 weeks 1 month 1 year age Number of individuals
In a population of stick insects, brown color (B) is dominant to green color (b). After sampling
1000 individuals, you find that 810 are green and 190 are brown.
Q16.1
Assuming this population is in Hardy-Weinberg equilibrium, how many of the brown individuals
do you expect to be heterozygous? Show your work for potential partial credit.
Enter your answer here
Transcribed Image Text:In a population of stick insects, brown color (B) is dominant to green color (b). After sampling 1000 individuals, you find that 810 are green and 190 are brown. Q16.1 Assuming this population is in Hardy-Weinberg equilibrium, how many of the brown individuals do you expect to be heterozygous? Show your work for potential partial credit. Enter your answer here
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