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3 years ago

Can anyone help me with question 42 and 43?

Biology

2 answers:

Sidana [21]3 years ago

7 0

Well I know this really probably isn’t helpful that much, but what I know is that in question 42 you put the correct answer.

Alexus [3.1K]3 years ago

3 0

Answer:

<h3> 42 ) False </h3>

<h3> 43 ) Specialized to perform a particular function</h3>

Yeast is an Unicellular eukaryotic organisms

In Multicellular organisms there is a division of labour which means specific cell perform a particular function.

In Unicellular organisms a single cell perform all the function that is needed to support life of that organisms

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2 years ago

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

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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

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

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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)

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I hope this helped! : )
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3 years ago

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