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ASHA 777 [7]
3 years ago
5

A paleobotanist studies tree rings to determine the history of an area. True False

Biology
2 answers:
makvit [3.9K]3 years ago
5 0
It is true because scientists often do that

wel3 years ago
4 0
True its way of studying the past
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What is a telophase
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How may mRNA be modified before it leaves the nucleus?
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The pre-mRNA molecules undergo three main modifications. These modifications are 5' capping 3' polyadenylation and RNA splicing which occur in the nucleus before RNA is translated.

Explanation:

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3 years ago
Which of the following is an example of an animal using a plant for food?
IgorLugansk [536]

Answer:

B

Explanation:

An orange is still a plant and the child is drinking it, but it is still consuming it, so I'd say that that's still eating nonetheless.

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3 years ago
What is the probability that mary and justin will have an affected child?
NISA [10]

Answer:

The correct answer would be 1/32

Explanation:

Mary and Justin can have affected child only when both of them are carriers that is, both of them should be Gg.

The probability of Justin's father to be a carrier is 2/4 or 1/2 [1 GG: 2Gg: 1gg].

Similarly, the probability of Jean to be a carrier would be 1/2.

Thus, the probability of Justin and his father to be a carrier would be equal to 1/2*1/2 ⇒ 1/4.

The probability of Mary to be a carrier = 1/2.

So, the probability of Mary and Justin to be the carrier of the disease would be 1/2*1/4 = 1/8.

Now, the probability of having an affected child would be 1/4 as it is a recessive disorder.

So, the probability of Mary and Justin to have an affected child = 1/4 * 1/8 ⇒ 1/32

6 0
4 years ago
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