The following questions refer to this information: In the year 2500, five male s
ID: 19956 • Letter: T
Question
The following questions refer to this information: In the year 2500, five male space colonists and five female space colonists from Earth settle on an uninhabited Earthlike planet in the Andromeda galaxy. The colonists and their offspring randomly mate for generations. All ten of the original colonists had free ear lobes, and two are heterozygous for that trait. The allele for free ear lobes is dominant to the allele for attached ear lobes.
If one assumes that Hardy-Weinberg equilibrium applies to the population of colonists on this planet, about how many people will have attached ear lobes when the planet's population reaches 10,000?
10,000
1,000
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10,000
1,000
800
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0
Explanation / Answer
The following questions refer to this information: In the year 2500, five male space colonists and five female space colonists from Earth settle on an uninhabited Earthlike planet in the Andromeda galaxy. The colonists and their offspring randomly mate for generations. All ten of the original colonists had free ear lobes, and two are heterozygous for that trait. The allele for free ear lobes is dominant to the allele for attached ear lobes.
If one assumes that Hardy-Weinberg equilibrium applies to the population of colonists on this planet, about how many people will have attached ear lobes when the planet's population reaches 10,000?
All ten of the original colonists had free ear lobes, and two are heterozygous for that trait
by using gene count method
frequecy of attached ear allele= 0+h/2 = 0+ .2/2=0.1
p+q=1
frequency of alleles are
0.1 -----a--------attached ear
0.9 --------A -------------free ear lobes
number of attached ear---------q^2 =0.1 x0.1 x10,000 =1000
answer :1000
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