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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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Answer:

a

Explanation:

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8 0
3 years ago
If you had a black male guinea pig and brown female guinea pig, but you didn't know which was the dominant characteristic, how w
mezya [45]

Options for the question are not given. They are as follows :

A.  Mate them and see what color the offspring are—that will be the dominant color

B.  Mate them and see what color the offspring are—the other will be the dominant color

C.  Mate them, and then mate their offspring to see what color the next generation is

D.  Mate them together, and then mate their offspring to see what color the next generation is—the other color will be the dominant color

Answer:

A.  Mate them and see what color the offspring are—that will be the dominant color

Explanation:

Out of the two colors, one will be recessive and one will be dominant. Recessive color will be homozygous since it is only expressed in homozygous condition. It is also given that in this cross the dominant color is also in homozygous condition.

When the guinea pigs mate, the resulting progeny will obtain one dominant allele from the dominant color parent and one recessive allele from the recessive color parent. The progeny will be heterozygous and show the dominant phenotype since the dominant allele will mask the recessive allele. Thus, the color which is visible in their offspring will be the dominant color.

3 0
4 years ago
Explain how a tree is considered living it doesn't move
zheka24 [161]
A tree is considered living because it takes in nutrients like other living things. The tree is also made up of cells which all living things are made up of. Trees can also produce offspring. Just like any other living thing.
5 0
3 years ago
A student is preparing a solution of 0.1 M Tris-Cl (pH 7.0) with 200 mM NaCl. To adjust the pH, the student started with concent
Sophie [7]

Answer:

The correct statements are C The pH is accurate but the solution will have excess salt. D The pH is accurate but the concentration of Tris will be incorrect

Explanation:

As the pH is finally maintained at 7 the pH for the buffer solution will be accurate but excess salt will be produced due to use of Both NaOH and HCl to make up the to 7.

As more volume of water is required at final step to make up the volume the concentration of tris will be incorrect.

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3 years ago
Please help me answer number 3
Archy [21]

Answer:

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Explanation:

7 0
3 years ago
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