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igomit [66]
3 years ago
13

The hardy-weinberg principle states that _____ in a population do not change unless outside factors affect the gene pool.

Biology
2 answers:
aivan3 [116]3 years ago
7 0

Answer:

Allele frequencies.

Explanation:

The Hardy–Weinberg principle, also known as the Hardy–Weinberg equilibrium, model, theorem, or law, states that allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences.

The equation he propose is   p^{2}+ 2pq + q^{2} = 1

The sum of the entries as the genotype frequencies must sum to one.

Reika [66]3 years ago
6 0

Answer;

-Allele frequencies

The hardy-weinberg principle states that allele frequencies in a population do not change unless outside factors affect the gene pool.

Explanation;

Hardy-Weinberg principle  is a mathematical model that describes how genotype frequencies are established in sexually reproducing organisms.

The Hardy-Weinberg equilibrium is a principle stating that the genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors. The Hardy-Weinberg equilibrium can be disturbed by a number of forces, including mutations, natural selection, nonrandom mating, genetic drift, and gene flow.

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What would happen if sister chromatids were not pulled apart at anaphase 2​
olga nikolaevna [1]

Answer and Explanation: Nondisjunction occurs when sister chromatids are not pulled apart at anaphase II. This will cause both sister chromatids/ homologous chromosomes to be pulled to just one pole of the cell.

Since the anaphase I stage in Meiosis I occurred without errors, this would result in four haploid gametes being produced.

However, two of these gametes will be normal, will have the normal number of chromosomes. The other two gametes would have an abnormal number of chromosomes and be aneuploid. One would have n+1 number of chromosomes, and the other would be n-1.

8 0
2 years ago
Which of the following is NOT a solution to protect the water in the two wells in danger of becoming contaminated?
Anton [14]

Answer:

The correct option is C. Building a well between the two wells that goes deeper into the earth would not stop the water from being polluted .

Explanation:

Even if a well was constructed between the wells B and C, it wouldn't have stopped the contamination of the water. As the oil would still be leaking and it would contaminate the wells.

All of the other options can be used to stop the contamination.

Option A suggests building an impermeable membrane that would stop the oil flow. Hence, the water in the wells will not be contaminated.

Option B suggests not using the water from the wells and using an alternate water supply. The alternate water supply wouldn't be contaminated with oil.

Option D suggests chemically purifying the contaminated water. This can be an effective technique to clean the contaminated water.  

7 0
3 years ago
Giardia exists in two forms--cysts and trophozoites. While both are required for the life cycle of Giardia, only the cyst is con
hram777 [196]

Answer:

Because the trophozoites are unable to survive outside a host.

Explanation:

The term infectious is used for a disease or microorganism that can be transmitted from one organism to the other organism through the environment. If we look at the two forms of Giardia, we find that out of the two forms viz. cysts and trophozoites, only the cysts of Giardia have the ability to remain alive in the environment outside the host and thus they are able to be transmitted to the other organisms. On the other hand trophozoites are not able to survive in outside environment so there is no chance of transmission of trophozoites.

6 0
2 years ago
Is wind alive?<br> Does it grow, reproduce, respond to stimuli or evolve?
evablogger [386]

Answer:

Nope

Explanation:

Wind is neither living or dead. Wind does not grow, reproduce, respond to stimuli or evolve. Wind is just wind

4 0
3 years ago
Read 2 more answers
In order to initiate transcription in eukaryotes, _______. View Available Hint(s) In order to initiate transcription in eukaryot
laila [671]

Answer:

transcription factors bind to the promoter, and RNA polymerase is then recruited to begin transcribing the gene

Explanation:

The transcription process in eukaryotes happens in 3 stages:

  1. Initiation
  2. Elongation
  3. Termination

The initiation of transcription starts when a set of proteins called the transcription binds to the promoter region of a gene on the coding strand of DNA. Thereafter, the RNA polymerase enzyme binds to the promoter region thereby opening up the double helix structure of the DNA in anticipation of transcription.

During elongation, RNA nucleotides are added to the growing RNA strand in 5' to 3' direction with the DNA unwinding and winding back as the polymerase moves along the coding strand in 3' to 5' direction.

Transcription terminates when the RNA polymerase gets to the end of the gene being transcribed signalled by a sequence of DNA known as the terminator.

<em>Hence, in the illustration, the correct answer would be that the transcription factors bind to the promoter, and RNA polymerase is then recruited to begin transcribing the gene.</em>

3 0
2 years ago
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