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Advocard [28]
3 years ago
6

The classic phenotypic ration of 3:1 is the basis of which of Mendel's principles?

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

Answer:

Segregation.

Explanation:

The Mendel had worked on the pea plant and known as as the father of genetics. Mendel had explained the law of genetics that contains law of segregation, law of independent assortment and the concept of dominance.

The law of segregation states that at the time of formation of gametes, each allele may get separate or segregate from the pairs of alleles and unite to form the zygote. This includes the monohybrid cross. The phenotypic ration of monohybrid cross is 3:1 that explains the law of segregation.

Thus, the correct answer is option (A).

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Heterotrophs

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Which of these cancer drugs acts by adding hydrocarbon groups to dna? alkylating agents?
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The propositions are:
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The right answer is A, 
An alkylating agent is a compound capable of adding alkyl groups to various electronegative groups under conditions present within the cells.

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AZT (</span><span>Zidovudine) is an antiretroviral drug that inhibits reverse transcriptase.</span>
3 0
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An ecology student noticed that Big Moose Lake has a higher nitrogen level than Brant Lake, but has lower algae growth. This dat
egoroff_w [7]

Explanation:

A student of ecology researched about the low growth of algae in the Big Moose lake as compared to the Brant lake, though Big Moose lake has higher  level of nitrogen and nutrients in it.

Nitrogen and phosphorous are an important element for the growth of algae in water bodies but in presence of pollutants in  the water bodies and low oxygen content, the algae grows in slower rate. Besides, slower growth of algae may also affected by the acid rain that happens near Moose lake, which is harmful for algae growth due ti the presence of sulphur.

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