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andre [41]
3 years ago
6

How do scientists monitor populations for signs of pollution and why is this important?

Biology
1 answer:
Aleksandr [31]3 years ago
6 0

Answer:they monitor it through a modern system machine, it's important because we need to know the population we have.

Explanation: which means are we increasing it reducing in our population

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Barbara has curly hair. Her genotype for this trait is CC. What do you infer from this?
Anvisha [2.4K]
<span>Alleles are usually represented by three different methods using two alphabets; when the two alphabets are small letters, it means that both alleles are recessive; when the two alphabets are capital letters, it means that both alleles are dominant and when one of the letter is capitalized and the other a lower case, it means that one of the allele is dominant while the other is recessive. Genotype CC means that the two alleles for curly hair are dominant.</span><span />
5 0
3 years ago
This plant cell has an angular shape, unlike an animal cell, which is rounded. What two plant cell features help give this cell
Sauron [17]
You know that there is a difference between plant cells and animals cells. The plant cells have a cytoplasm while the animal cells do not. Therefore the answer must be C.
6 0
3 years ago
Read 2 more answers
Thymine dimers can be repaired by Photoreactivation Repair or Nucleotide Excision Repair. - true or false?
Aleksandr-060686 [28]

Answer:True

Explanation:Basically thymine diamers are mismatched pairs (thymine binds with another thymine instead of binding with adenine) and may lead to unwanted results so the mismatching can be repaired by using two methods which are as follows :

1-the PRE enzyme activated by blue light breaks the thymine diamer and some of the surrounding bonds the strand is cut and DNA polymerase then restores the normal base pairing

2-UVR system breaks dimer creating a gap when a gap is created and the molecules appear unpaired it is filled by proof readers hence restoring normal base pairing.

6 0
3 years ago
In tall plants, (T) is dominant to small (t). If two plants heterozygous for tall fruit are crossed, what are the
denis-greek [22]

Answer:

possible genotypes of offsprings are A.

TT Tt and tt

5 0
3 years ago
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Given a population that contains genetic variation, what is the correct sequence of the following events under the influence of
natali 33 [55]

The correct option is (a) 2 → 4 → 1 → 3

A change occurs in the environment. → Poorly adapted individuals have decreased survivorship. → Well-adapted individuals leave more offspring than do poorly adapted individuals. → Genetic frequencies within the population change.

<h3>What is genetic variation in population?</h3>
  • The presence of various alleles, or different gene versions, within a population indicates genetic variety.
  • If there is genetic variation, then everybody in the population will have various genotypes depending on the alleles they carry.
  • Genetic loci that have many alleles are said to be polymorphic. Human characteristics like blood type and eye color, for instance, are polymorphic.

Learn more about the genetic variation with the help of the given link:

brainly.com/question/848479

#SPJ4

3 0
2 years ago
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