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3 years ago

Observe: Click Next. What happens in the cytoplasm?

Biology

1 answer:

WARRIOR [948]3 years ago

7 0

Answer:

The cytoplasm is a jelly like substance that supports and suspends organelles and molecules inside the cell. It also helps move and dissolve materials throughout the cell including waste molecules, proteins, and hormones.

I hope this helps! I tried to keep it short and simple. :)

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Given equal probabilities of the birth of an XY offspring or an XX offspring, what is the probability that a group of four sibli

Andreas93 [3]

Given equal genetic probabilities of having an XY child or an XX child, the probability that a group of four siblings will include all XY children is 12,5%, to understand the probabilities we must understand that ......

<h3>Probability</h3>

To determine the probability, we need to know the following conditions:

The x is independent of the first, and so on.

The odds of having an Xy are equal to the odds of having an XY, ie 50%. So we have:

Xy = 1/2 = 50%

XY = 1/2 = 50%

Based on this data, we will determine the odds of the pairs given above occurring. For this situation, we use a binomial development given by

(x + y)n, where n is the number of children the couple wants to have. In this binomial, x will represent a boy and y, a girl. Note the development of the expression:

(x + y)2 → (x + y) * (x + y) → x² + xy + xy + y² → x² + 2xy + y²

x (boy) = 1/2

y (girl) = 1/2

Two boys → x² → (1/2)² → 1/4 → 25%

Two girls → y² → (1/2)² → 1/4 → 25%

A boy and a girl → 2xy → 2 * 1/2 * 1/2 → 2/4 → 1/2 → 50%

With this information, we can conclude that the chance to have a group of four siblings includes all XY is 12.5%.

Learn more about Genetic in brainly.com/question/12985618

6 0

3 years ago

Which of these is true of the cytoplasm of an unfertilized egg?

eduard

Answer:

Answer is A. It is an unevenly distributed mixture of mRNA ,proteins, organelles and other substances.

Explanation:

A cytoplasm can be described as all the materials within a cell or the protoplasm of a cell, excluding the nucleus, which are surrounded or enclosed by the cell membrane.

An unfertilized egg is an egg that is yet to be fertilized by the male spermatozoa.

5 0

3 years ago

The part of plants that contain structures needed to absorb sunlight and carbon dioxide

ki77a [65]

Answer:

leaves

Explanation: you just got coconut malled send this to a friend to totally coconut mall them

3 0

3 years ago

Read 2 more answers

imagine that ou are stduying a very large population of moths that is isolate d from gene flow.A single gene controls wing color

algol [13]

About the question:

I failed to find the complete question. However, I will explain why this population is considered to be in Hardy-Weinberg equilibrium, and what the destiny of the alleles is.

Answer:

This population is in equilibrium because it accomplishes all the H-W assumptions for a population in equilibrium. Genetic nor allelic frequencies will change generation after generation. Alleles will remain equal.

Explanation:

Available data:

A single gene controls wing color
Half of the moths have white-spotted wings
half of the moths have plain brown wings
W allele is dominant and expresses white wings
w allele is recessive and expresses brown wings
Individuals mate randomly
No natural selection

We will know by theory if this population is or is not in equilibrium Hardy-Weinberg if the population is in concordance with the assumptions of the theory. So let us first analyze the Hardy-Weinberg assumptions for a population in equilibrium:

• Random matings: Any individual get crossed with any other individual

• No superposed generations: each individual can leave their gametes in the pool only once.

• No mutations: No mutations originate any new gametes.

• No migration: No incorporation of gametes from other populations.

• Infinite population size: the probabilities of randomly taking an A gamete from the pool are p, and the probability of taking a B gamete is q.

• No natural selection: Each individual has equal surviving and reproducing probabilities as any other, contributing proportionally to the gamete pool.

So, the exposed population

- is isolated, meaning that there is no gene flow from other populations. No new genes will be introduced.

- has no mutations, so no allele will change to express a new form

- individuals mate randomly

- there is no natural selection acting on this group as an evolutive force that might alter the equilibrium.

Genetic nor allelic frequencies will change generation after generation.

In a Hardy-Weinberg population, where allelic frequencies are p and q (assuming a diallelic gene), genotypic frequencies after one generation of random matings are p², 2pq and q². The allelic frequencies, as well as the genotypic frequencies, remain equal after successive generations. Alleles will remain in the population from many generations.

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3 years ago

What is the biggest problem with invasive species in their new location

mihalych1998 [28]

Answer:

Because they are not native to a location, they can quickly dominate the wildlife.

Explanation:

They may not have any predators to keep them in check.
They basically destroy a food chain which can have a domino affect of killing off other native species that require certain food to survive.
Some might spread disease.

6 0

3 years ago