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Tema [17]
4 years ago
9

One way to protect biodiversity is to set aside more wilderness land. humans are not allowed in these areas.

Biology
1 answer:
Ilya [14]4 years ago
3 0

False, but it is also some what true.

It is true that one way to protect biodiversity is to set aside more wilderness land, but hikers and campers can visit such areas as long as they do not stay long. Scientists estimate that a wilderness area needs to be roughly at least 1,500 square miles in total, or it will be negatively impacted by affected by bad air, dirtly water, noise, and pollution from nearby human activities.

When dealing with the environment and ecosystems, it is important to establish a good balance between human activities and the conservation efforts. One good example of this is ecotourism. Some of the activities that fall under this catagory are hunting, fishing, off-road recreation, and even boating. Ecotourism is a billion-dollar industry, and without theses activities the funding to protect the wilderenss would be sparse if non-existant.



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If a couple that is both heterozygous carriers of the cystic fibrosis allele have children, the chance that both their first and second child will be carriers 1/4 or 25% is as determined by the crossing.

<h3>Monohybrid crossing</h3>

The cystic fibrosis condition is a recessive one. Let's assume that the allele for cystic fibrosis is a for the affected and A for the unaffected.

A couple that is both heterozygous would have Aa as their genotype:

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Chances of an offspring being affected = 3/4 or 75%

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Now, let's calculated the probability.

Probability of the first child being a carrier = 1/2

The probability of the second child also being a carrier = 1/2

The probability of both their first and second child being carriers = 1/2 x 1/2

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Going by the analysis of the monohybrid cross, the probability of both their first and second child being carriers is 1/4 or 25%.

More on monohybrid crosses can be found here: brainly.com/question/1185199

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