All categories

3 years ago

Which step of mitosis involves the condensing of DNA into chromosomes? metaphase prophase anaphase telophase

Biology

2 answers:

BlackZzzverrR [31]3 years ago

5 0

Answer:

The answer is prophase

got a 100 on the test

Alecsey [184]3 years ago

3 0

Answer:

it is b

Explanation:

You might be interested in

The curved paths of global winds and surface currents are caused by

ella [17]

the answer is The Coriolis Effect

6 0

4 years ago

Read 2 more answers

small group of 100 people decide to isolate themselves from the world and move to a small and remote deserted island. Out of thi

irina [24]

Answer:

Frequency of p $= 0.684$

Frequency of p $= 0.316$

Number of individuals with homozygous dominant (AA) $= 47$

Number of individuals with heterozygous (Aa) $= 43$

Number of individuals with homozygous recessive (aa) $= 10$

Explanation:

Out of 100 people, 10 have albino skin (aa)

So, the frequency of homozygous recessive individuals $(q^{2})$ is $\frac{10}{100} = 0.1$

Now, q will be

$= \sqrt{q^{2} } = \sqrt{0.1} \\= 0.316$

As per Hardy Weinberg's equation -

$p + q = 1$

Substituting the value of q in above equation, we get -

$p + 0.316 = 1p = 1 -0.316\\p = 0.684$

Now the frequency of homozygous dominant (AA) will be

$p^{2} = 0.684^{2} \\= 0.467$

Hence, out of 100 people $0.467 * 100 = 46.7 or 47$ people are homozygous dominant (AA)

Like wise out of 100 people $0.1 * 100 = 10$ people are homozygous recessive (aa)

As per As per Hardy Weinberg's equation-

$p^{2} + q^{2} + 2pq = 1\\$

Substituting the values in above equation, we get -

$0.467 + 0.316 + 2pq = 1\\2pq = 1 -( 0.467+ 0.1)\\2pq = 0.433$

So, out of 100 people $0.433 * 100 = 43.3 or 43$ people are heterozygous (Aa)

7 0

4 years ago

In your own words: What is the study of ecology?

nadezda [96]

Answer:

Ecology is the study of organisms and how they interact with the environment around them. ... Changes in ecosystems can result from many different factors including diseases among the organisms living in the area, increases in temperature, and increased human activities.

Explanation:

7 0

3 years ago

After a copper smelter begins operation, local downwind populations of plants begin to adapt to the resulting air pollution. Sci

zhannawk [14.2K]

Answer: Directional selection

Explanation:

In the population genetics, directional selection is the mode of selection during which the extreme phenotype are favored more than the other phenotype.

This causes the allele frequency to shift towards the time in the direction of that particular phenotype.

Here, in the question the acid tolerant plant species is favored over the other phenotype.

Hence, the correct answer is option D

3 0

3 years ago

Soil is a mixture of_____.

adoni [48]

Answer:

The answer is A solids! I hope you have a blessed day my cool friend

Explanation:

4 0

3 years ago

Read 2 more answers