Describe three approaches used to slow down the rate of extinction

1 answer:

8 0

The three ways or approaches that one can do to slow down extinction or in a way to preserve biodiversity are the following;

- Breeding endangered species that may preserve and multiply their species

- Protecting the endangered species in a way that they should not be held captive, be sold or kill for materialistic goods or food products

- Prevention of using animal testing in factories and companies

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Sophie says dolphins and sharks look very similar, so they must be related. Jake disagrees, saying DNA evidence has shown that d

Dima020 [189]

According to modern classification I will say that Jake is correct. With the use of tracing back and DNA technology then we can say that this is the digital way which is used nowadays to classify animals.

Sophie says through her observation that the characteristics of the animal classification used.

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Compared the Mendelian Dominance, how to incomplete dominance and codominance increase the number of phenotypes? Provide an exam

REY [17]

Answer/Explanation:

<h3>Incomplete dominance</h3>

In incomplete dominance, one allele is not entirely dominant over the other, so heterozygotes (organisms with two different alleles for the gene) show an intermediate or blended phenotype.

For example, consider flower colour.

If the allele for red flowers (R) was dominant over the allele for white flowers (r), then there are three possible genotypes (RR, Rr, and rr) and two possible phenotypes. (Red (RR and Rr) and white (rr)).
However, if the allele for red flowers (R) was incompletely dominant over the allele for white flowers (r), then there are three possible genotypes (RR, Rr, rr), and three possible phenotypes (red (RR), white (rr), and pink (Rr))

<h3>Co-dominance</h3>

In incomplete dominance, two alleles are both expressed, one is not dominant over the other. Therefore, heterozygotes (organisms with two different alleles for the gene) express both traits.

For example, consider flower patterns.

If the allele for spots (F) was dominant over the allele for stripes (f), then there are three possible genotypes (FF, Ff, and ff) and two possible phenotypes. (Spots (Ff and ff) and stripes (ff)).
However, if the allele for spots (F) was co-dominant to the allele for stripes (f), then there are three possible genotypes (FF, Ff, ff), and three possible phenotypes (spots (FF), stripes (ff), and spots and stripes (Ff))

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PLEASE HELPPPP

Natali [406]

Answer:

An example of codominance would be when a red and white flower breed a pink flower.

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What are some advantages of using a toy ball as an animal cell model?

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Answer:

idhar re baba

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Which of the definitions below best defines a mutation?

victus00 [196]

The correct answer is: A. A change in a cell's genetic material.

Mutations occur in DNA as a result of mistakes during the DNA replication (when repair mechanisms don’t fix it) or as the result of environmental factors (e.g. UV light). Mutations can have positive impact, by increasing the genetic variation or can have negative effect, causing the diseases or cancer.

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