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crimeas [40]
3 years ago
10

QUICKLY PLEASE HELPPP - INTEGRATED SCIENCE PRIMAVERA ONLINE 30 POINTS

Biology
1 answer:
Scorpion4ik [409]3 years ago
3 0

Answer:

?

Explanation:

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In a Hardy-Weinberg population with two alleles that show complete dominance, the frequency of the recessive allele is 0.4. What
Flura [38]

The correct answer is E)52

When there is Hardy-Weinberg equilibrium like in this case of a single locus with two alleles denoted A and a with frequencies f(A) = p and f(a) = q, the expected genotype frequencies under random mating are f(AA) = p² for the AA homozygotes, f(aa) = q² for the aa homozygotes, and f(Aa) = 2pq for the heterozygotes. Let's put that A is dominant and a is recessive allele. In Hardy-Weinberg equilibrium we have:

p²+2*p*q+q²= 1     p+q=1      p=1-q

f(a) =0.4=q            q²=0.4²=0.16=16%    

p= 1-0.4=0.6         p²=0.6²=0.36=36%

Percentage of a homozygous genotype in the population is 16%+36%=52%




5 0
3 years ago
Which of the following factors has delayed the development of laboratory- based genetic systems in Archaea?a.Archaea do NOT host
e-lub [12.9K]
<h2>b) option is correct </h2>

Explanation:

  • Archaea are the closest modern relatives of Earth's first living cells
  • Archaea are famous because of living in extreme environments
  • If it’s super hot (more than 100° Celsius), freezing, acidic, alkaline, salty, deep in the ocean, even bombarded by gamma or UV radiation, there’s probably life there, and that life is probably archaeal species
  • They’re also considered very resourceful
  • Many forms of archaea can utilize totally inorganic forms of matter—hydrogen, carbon dioxide or ammonia for example—to generate organic matter themselves
8 0
3 years ago
Which term describes the coordinated action between two microorganisms that result in a heightened response or greater effective
Delvig [45]

Answer:

Synergism

Explanation:

Synergism is defined as the cooperation of two or more microorganisms that result in a heightened response or greater effectiveness.

8 0
3 years ago
An individual afflicted with Lupus, a disorder occurring when the body’s immune system attacks its own tissues and organs, suffe
Rama09 [41]
The answer is D) Defense proteins

5 0
3 years ago
Natural selection causes A. changes in allele frequencies within a population. B. changes in the mechanism of inheritance. C. th
wolverine [178]

Answer:

Natural selection causes change in allele frequencies within a population.          

So option A is correct one.

Explanation:

Natural selection generally  work  on an organism’s phenotype, or observable features. Phenotype is often largely a product of genotype (the alleles, or gene versions, the organism carries). When a phenotype produced by certain alleles helps organisms survive and reproduce better than their peers, natural selection can increase the frequency of the helpful alleles from one generation to the next – that is, it can cause microevolution.

4 0
3 years ago
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