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timurjin [86]
3 years ago
13

Mutation is an evolutionary mechanism. True False

Biology
1 answer:
LUCKY_DIMON [66]3 years ago
6 0
It's true. Hope it helps.
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In a population of plants, the allele for long stems is completely dominant over the allele for short stems. If 35% of the popul
KatRina [158]
Assumptions:
1. Equilibrium has been reached for the allele proportions
2. Absence of <span>evolutionary influences such as </span>mate choice<span>, </span>mutation<span>, </span>selection<span>, </span>genetic drift<span>, </span>gene flow<span> and </span>meiotic drive<span>.
</span>
Defining L=long stem, l=short stem, and L is dominant over l.
f(x) = frequency of allele x  (expressed as a fraction of population)
Then the Hardy-Weinberg equilibrium law applies:
p^2+2pq+q^2=1
where 
f(LL)=p^2
f(Ll)=2pq
f(ll)=q^2

Given f(ll)=0.35=q^2, we have
q=sqrt(0.35)=0.591608
p=1-q=0.408392
=>
f(Ll)
=2pq
=2*0.408392*0.591608=0.483216
= proportion of heterozygous population

Answer: percentage of heterozygous population is 48.32%
7 0
3 years ago
What is the movement of air in and out of lungs called
oksano4ka [1.4K]
Inhale and exhale because you inhale the oxygen and exhale the carbon dioxide
4 0
3 years ago
Read 2 more answers
8. How is penicillin used?
Tom [10]

Answer:

O to kill bacteria that cause disease

Explanation:

penicillins are a group of antibiotics used to treat a number of bacterial infections.

hope this helps!

5 0
3 years ago
Hello there! I'm not quite sure of the answer, can someone help me? Much appreciated. Brainliest to whom answers first and corre
kaheart [24]

Answer:

Air is the correct answer

4 0
3 years ago
Which are true about changes in carbon dioxide in the Earth's atmosphere since 1860? Select the two correct answers.
jekas [21]

Answer:

A and C

Explanation:

A. because when we humans are burning maybe our refuse or garbage it will go up to the ozone layer causing air and then it will then result to carbon dioxide.

5 0
2 years ago
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