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Dimas [21]
2 years ago
5

A malaria outbreak causing allele frequencies to change is an example of:

Biology
2 answers:
Softa [21]2 years ago
4 0

Answer:

C. Natural selection

Explanation:

Just took the test ED2020

julsineya [31]2 years ago
3 0

<u>Answer</u>: Natural selection.

<u>Explanation</u>:

  • The concept of <em>natural selection</em> was given by <em>Charles Darwin.</em>
  • According to this concept, in a given environment the organisms that possess <em>better adaptations</em> have<em> higher chances of survival</em> and, leave behind a <em>greater number of progenies</em>.
  • When malaria outbreak occurs, the allele frequencies change and only the organisms that possess the alleles which help them to <em>survive</em> this outbreak due to resistance against malarial infection will be selected by nature and<em> hence, this is an example of natural selection.</em>
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Answer: In this type of cross between MmDdPp and mmddpp, the phenotypic ratios in the eight possible phenotypes are as follow; a. solid, normal, smooth = 1:8

b. solid, normal, peach = 1:8

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d. solid, dwarf, peach = 1:8

e. mottled, normal, smooth = 1:8

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In genotype mmddpp, n = 0. Therefore, only one type of gamete can be formed.

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