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Anestetic [448]
3 years ago
15

How did marsupials get to australia

Biology
1 answer:
aleksandr82 [10.1K]3 years ago
5 0
Marsupials began to migrate to Australia and New Zealand from North America in the late Cretaceous or early Tertiary period. The route of migration crossed Antarctica and into Australia.
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In order to help you answer this true/false statement, which words should be underlined?:
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A only in Northern America
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Brrunno [24]

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the following picture attached will help you

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You observe that your friend has dimples. dimples result from the presence of the dominant gene d; absence of dimples is a homoz
anzhelika [568]

Answer:

DD or Dd

Explanation:

Dimples is the dominant trait (D). Your friend has dimples so that means he or she should have at least one allele of the dominant trait to express that trait. So your friend would either be homozygous dominant (DD) or heterozygous dominant (Dd). Notice that there is a recessive allele in the second. Even with that present, dimples would be still expressed.

4 0
4 years ago
1. What are the two primary places glycogen is stored in the body? Why is it stored in both places?
Likurg_2 [28]

The two primary places where glycogen is stored in the body are:

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Learn more about glycogen:

brainly.com/question/4303062

6 0
3 years ago
Which statement best explains the relationship between HbS allele frequency and malaria endemicity in Africa? When an area is ma
NNADVOKAT [17]
<h3><u>Answer;</u></h3>

When an area is holoendemic, the HbS allele frequency is between 0.52 and 4.04.

<h3><u>Explanation;</u></h3>
  • <em><u>HbS allele is the sickle cell hemoglobin allele that provides immunity to malaria. This is because people with the sickle cell allele have a selective advantage in areas where there is a high incidence of malaria.</u></em>
  • Therefore, natural selection will favor the population with HbS allele in a Malaria holoendemic (most individuals are infected) region. The HbS allele frequency in this population is expected to be high.
  • After malaria is cured, the frequency of the HbS allele should decrease in regions with a lot of mosquitoes because having one copy of the HbS allele will no longer be advantageous in these regions.
5 0
3 years ago
Read 2 more answers
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