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3 years ago

Please help me solve these questions

Biology

1 answer:

Monica [59]3 years ago

4 0

Answer: 7:A

8:C

9:D

10:B

Mendels First Law: The law of segregation. During gamete formation each member of the allelic pair seperates from the other member to form the gentic consittution og the gamete.

Transcription: Is the process by which the information in a strand of DNA is copied into a new molecule of RNA.

Explanation: I checked most of them online. Im not too sure if 9 is D but it is my best guess.

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In plants tall (T) is dominant to short (t) and round seed is dominant to wrinkled seeds (r). If a parent is short and wrinkled

Nuetrik [128]

Answer:

Parent cross= ttrr (short, wrinkled) × TtRr (hybrid)

POSSIBLE GAMETES BY EACH PARENT:

ttrr - tr, tr, tr, and tr

TtRr - TR, Tr, tR, and tr

Explanation:

This question involves two genes in a certain plant. One gene is coding for height while the other is coding for seed shape. The alleles for tallness (T) and round seeds (R) is dominant over the alleles for shortness (t) and wrinkled seeds (r).

According to this question, a parent that is short and wrinkled (ttrr) is crossed with another parent that is hybrid (TtRr) for both traits. This means that the parent cross is as follows: ttrr × TtRr

The possible combination of gametes that will be produced by each parent is as follows:

ttrr - tr, tr, tr, and tr

TtRr - TR, Tr, tR, and tr

See attached image for the punnet square using these gametes.

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3 years ago

Which order of diagrams would show primary succession in an area that had never before been occupied by living organisms?

shtirl [24]

I believe the question is according to the attached image.
The order of the diagram that would show primary succession in an area that had never before been occupied by living organisms is;
C,A, B, D.
Primary succession occurs in lifeless areas; these are regions in which soil is incapable of sustaining life as a result of factors such as lava flow, newly formed sand dunes, or rocks left from a retreating glacier.

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3 years ago

Which of the following accurately describes the orbits of the planets in the solar system?

notka56 [123]

Answer:

Which of the following accurately describes the orbits of the planets in the solar system? ... The orbits are almost on a single plane and the planets revolve around the Sun in the same direction.

Explanation:

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3 years ago

There is less energy available to consumers at higher levels in a food chain. Why?

ladessa [460]

Answer:

Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.

Explanation:

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3 years ago

How can low-calorie sweeteners keep teeth healthy?

tatiyna

Artificial sweeteners help reduce the amount of sugar in the diet with obvious benefits for general health. It can also make a big difference in your dental health by helping you prevent tooth decay.

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3 years ago

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