The process in which two cells from different parents unite to produce the first cell of a new organism is called

Identify the example of a vestigial structure below.

miv72 [106K]

Answer:

I think it is C, the remnants of leg bones of a whale

3 0

3 years ago

In gorillas, the ability to roll the tongue is under the control of 1 gene. The R allele, which confers tongue-rolling ability,

aalyn [17]

Answer:

0.4550

Explanation:

In this example, R allele is dominant, so individuals RR and Rr can roll their tongues. If in a population of 1000 gorillas, there are 575 gorillas who can roll their tongues, they will be RR and Rr.

In this case, there is Hardy Weinberg Equilibrium, so the following will be true:

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

Where:

$p^{2}=$ frequency of RR

$2pq=$ frequency of Rr

$q^{2}=$ frequency of rr

The question is what is the frequency of heterozygotes, or, what is the value of 2pq.

We know that RR+Rr is 575 individuals in a population of 1000, or 0.575.

In other words:

$p^{2}+2pq=0.575$

So, it is possible to find $q^{2}$ :

$q^{2}= 1-2pq-p^{2} \\q^{2}=1-(0.575)\\q^{2}=0.425$

Now, there are two alleles in the population, so the following will be true:

$p+q=1$

It is possible to find q (the frequency of allele r) and p (the frequency of allele p):

$q=\sqrt{q^{2} }\\ q=\sqrt{0.425} \\q=0.652$

Therefore:

$p=1-q\\p=1-0.652\\p=0.348$

Now, the frequency of heterozygotes or 2pq is:

$2pq=2*0.652*0.348\\2pq=0.45$

7 0

3 years ago

Nutrition experts recommend that most people eat less than 2,300 milligrams of sodium a day for good heart health. What percenta

Tamiku [17]

Answer:

you didn't add the whole question... :/

Explanation:

sorry...

6 0

3 years ago

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Which of the following factors can influence advances in science and technology?

Schach [20]

What's the choices ?

3 0

3 years ago

Which of the following is not a direct fate of the energy flowing through photosynthesis? a. carnivores b. cellular respiration

EastWind [94]

Answer:

The correct answer is a. carnivores.

Photosynthesis is the process by which plants make their food from carbon dioxide and water in the presence of sunlight and chlorophyll. Hence, they convert light energy into chemical energy (food or glucose).

This energy is first utilized in the cellular respiration and then the rest in transferred to the primary consumers i.e. herbivores which feed on green plants.

They use this energy in their metabolic processes. The rest is transferred to the secondary consumers i.e. carnivores which feed on the herbivores.

Hence, energy from the photosynthesis indirectly passes to the carnivores via herbivores.

7 0

3 years ago

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