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ratelena [41]
3 years ago
5

Some organisms are capable of asexual or sexual reproduction. under favorable conditions, reproduction proceeds asexually. when

conditions become more stressful reproduction switches to a sexual mode. why
Biology
1 answer:
I am Lyosha [343]3 years ago
6 0

Hello, Nickster2543!! Because sexual reproduction produces individuals with new combinations of recombined chromosomes. Whenever this happens, more genes are added to the gene pool making it more diverse. I hope this helped!!

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What is a good strategy for helping to prevent the spread of antibiotic resistance?
Flauer [41]

Answer:

Taking antibiotics only on doctor prescription and completing the full course of antibiotics.

Explanation:

Antibiotic resistance occurs when bacteria do not get harmed or killed by a drug which is made against them. Misuse and overuse of antibiotics are the main culprits which induce antibiotic resistance in bacteria.

To prevent the spreading of antibiotic-resistant bacteria antibiotics should only be taken on doctor's prescription. Full course of antibiotics should be done to eliminate all the bacteria which ensures that no bacteria is left to gain antibiotic resistance against the drug.

Antibiotics do not affect or kill virus therefore they should not be taken in viral infection.

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3 years ago
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Given a population of 100 individuals where 15 are AA, 25 are Aa, and 60 are aa, what is
nata0808 [166]

Answer:

frequency of allele “A” is .39

frequency of allele “a” is .77

Explanation:

hardy weinberg equation

p^2 + 2pq + q^2 = 1 or (A+a)^2

p^2 =  (AA)

2pq =  (Aa)

q^2 = (aa)

AA -> 15/100 = .15

Aa -> 25/100 = .25

aa -> 60/100 = .60

if p^2 = AA = .15 then A = √.15 = 0.38729833462 = .39

if q^2 = aa = .60 then a = √.60 = 0.77459666924 = .77

wikipedia quoraAnkitGauba

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2 years ago
Which statement about the effects of natural events and human activities is true?
andreyandreev [35.5K]

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B. Human activities and natural events can damage the environment.,

Explanation:

Human activities are those activities carried out by a human being. The environment is being degraded daily as a result of the activities of man as well as natural occurrences e.g earthquake, tsunami, wild fire etc.

Human activities also called anthropogenic activities that damage the environment include sewage pollution, burning of fossil fuels, oil spillage etc. Hence, according to this question, human activities and natural events can damage the environment.

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What are the three chemical molecules that make up the subunits of DNA?​
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Nucleotides are the subunits of DNA. The four nucleotides are adenine, cytosine, guanine and thymine. Each of the four bases has three components, a phosphate group, a deoxyribose sugar and a nitrogen-containing base.

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A spider may produce hundreds of eggs, only a few of which may survive. This is an
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Answer:

a

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A spider may produce hundreds of eggs, only a few of which may survive. This is an example of a. overproduction.

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3 years ago
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