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Elodia [21]
3 years ago
10

What is the main function of environmental policy

Biology
1 answer:
mars1129 [50]3 years ago
3 0
The main function of environmental policy is protecting a society's natural resources. These policies provide necessary measures to make sure all the resources remain available to everyone. The main function of environmental policy is protecting a society's natural resources.
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4. What genotypes of parents will have only white-fur offspring? Parent 1 genotype = Parent 2 genotype = What genotypes of paren
AnnZ [28]

Answer:

All white offspring: Parent 1 genotype = homozygous dominant

                            Parent 2 genotype = homozygous/heterozygous dominant

For all black offspring: Parent 1 genotype = homozygous recessive

                                     Parent 2 genotype = homozygous recessive

Explanation:

The cross was between a white mouse and a black mouse and the phenotypic ratio of the resulting offspring is 50% white and 50% black.

Assuming that fur color in the mouse is represented by the allele A (a), In order to give 1:1 phenotypic ratio of the offspring, it means the white mouse is heterozygous with Aa genotype and the black mouse is homozygous with aa genotype. Also, it means that the allele A is dominant over the allele a.

                       Aa    x    aa

                 Aa    Aa    aa    aa

Aa = white

aa = black

Ratio of white to black = 50/50 or 1:1

Hence, in order for a cross to yield only white offspring, the parents can either be homozygous AA and AA or one will be homozygous AA and the other will be heterozygous Aa.

1.              AA    x    AA

       AA    AA    AA    AA (all white offspring)

2.            AA    x    Aa

        AA    Aa    AA    Aa (all white offspring).

In order to produce only black offspring, both parents must be homozygous aa.

             aa    x    aa

         aa    aa    aa    aa    (all black offspring)

4 0
3 years ago
What is the most direct evidence in this photo of millions of years of deposition?
mestny [16]

Answer:

A. The smooth, clear rock layers

Explanation:

5 0
3 years ago
Read 2 more answers
How do protists help animals?
Mariana [72]
I think it just shows how many people care about the cause and think it’s important. It can also raise money and awareness about it.
5 0
3 years ago
What is the purpose of the coronary artery and what results if there is blockage in this vessel ? cousrse hero?
tresset_1 [31]
Coronary arteries supply blood to the heart muscle, The left one, arises from the aorta and feeds blood to the left side of the heart and the right one supplies blood to the right ventricle, the right atrium, and the SA (sinoatrial) and AV (atrioventricular) nodes, which regulate the heart rhythm. Blockage in this vessel result in <span>reducing the flow of oxygen and nutrients to the heart muscle and that can lead to a heart attack. Atherosclerosis and arteriosclerosis are the most common causes of heart disease.</span>
7 0
3 years ago
Even though rodents known as sugar gliders and flying squirrels are members of distinctly different groups of organisms and live
EleoNora [17]

Answer:

convergent evolution.

Explanation:

When organisms of distantly related species or groups are found in similar environmental conditions, they develop some similar features which are otherwise not present in their ancestral species. This is called convergent evolution. Convergent evolution also results in the development of similar traits in the distantly related organisms that are found in distantly located geographical regions having similar environmental conditions. Therefore, the presence of the same features in rodents and flying squirrels represent convergent evolution.

4 0
3 years ago
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