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2 years ago

Identify structure A and describe its function

Biology

1 answer:

Alex73 [517]2 years ago

3 0

This would be mitosis. mitosis consist of four main parts interphase,prophase,metaphase, anaphase, and telophase which also included cytokinesis which you can also study this term by using this terminology ( I P M A T )

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One of the major advances in brain function in middle childhood is the development of:

vekshin1

The middle childhood is the period between ages 7 and 11.
One of the major advances in brain function in middle childhood is the development of automatization. Children this age can master plenty of skills with a little motivation and a lot of practice.
They also immerse themselves in play and it is important for them to get a lot of healthy, physical activity.

4 0

3 years ago

14). During the early 1700’s, a small group of pacifist Protestants fled Germany to avoid religious persecution. This group, the

abruzzese [7]

A) In the Dunker population, the frequency of IB allele is 0.3 and the frequency of i allele is 0.4. In the general population, the frequency of IB allele is 0.1 and the frequency of i allele is 0.5.

If:
$I^{A}$ - the frequency of IA allele
 $I^{B}$ - the frequency of IB allele
 $i$ - the frequency of i allele

Then:
 $I^{A} I^{A}$ + $I^{A} i$ - the frequency of individuals with A blood type
 $I^{B} I^{B}$ + $I^{B} i$ - the frequency of individuals with B blood type
 $ii$ - the frequency of individuals with O blood type

Let's first take a look on the Dunker population:
$I^{A} = 0.3$
$ii=0.16
$

Since there is only one possible genotype for O individuals - ii - the frequency of the allele i is square root of the frequency of O individuals:
 $i= \sqrt{ii}$
⇒ $i = \sqrt{0.16}$
⇒ $i=0.4$

Now, we have the frequencies of two alleles ( $I^{A}$ and $i$ ). To calculate the frequency of $I^{B}$ allele, we will use the formula:
 $I^{A} + I^{B} + i = 1$
⇒ $I^{B} = 1- I^{A} - i$
⇒ $I^{B} = 1-0.3-0.4$
⇒ $I^{B} = 0.3$

Now, in the general population:
$I^{A} = 0.4$
$ii=0.25$

Similarly to the work for the Dunker population:
 $i= \sqrt{ii}$
⇒ $i = \sqrt{0.25}$
⇒ $i=0.5$

$I^{A} + I^{B} + i = 1$
⇒ $I^{B} = 1- I^{A} - i$
⇒ $I^{B} = 1-0.4-0.5$
⇒ $I^{B} = 0.1$


b) A founder effect is a result of geographical separation of a few individuals from the original population. Those founding individuals will form a new population. The Dunker population was not only geographically separated, but also genetically. The group interbreeding was present resulting in increasing those allele frequencies that were the most common in the founding population. In this case, the most individuals from the founding population had B blood type.

6 0

3 years ago

Which characteristic of life deals with the most basic unit of living organisms?

vekshin1

Answer:

well i belive its growth hope that helps

8 0

3 years ago

What does this mean? m or f

netineya [11]

Most of the time m (M) means male and f (F) means female.

4 0

3 years ago

In the skeletal system, which are the two main tissues responsible for structural support in the body?

attashe74 [19]

Bones and cartilages

5 0

3 years ago