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cestrela7 [59]
3 years ago
11

A scientist wants to examine a genetic disease in humans. The scientist hypothesizes that the disease can be treated by using ge

ne therapy. Humans take a long time to reproduce and develop, so the scientist will have to
give up on testing the hypothesis.
test the hypothesis for a very long time.
develop new methods to test the hypothesis.
find a way to make humans reproduce faster
Biology
2 answers:
alisha [4.7K]3 years ago
7 0

Answer:

The correct answer will be option-develop new methods to test the hypothesis.

Explanation:

The success rate of any biological experiment depends on the model organism the scientists use to examine the tests. The ideal model organism used should have certain features so that hypothesis can be verified like:

1. The life span of the organism: organism should have short to moderate life span.

2. Offspring number: the organism should produce a large number of offspring which reduces the chances of error.

In the given question to study the human disease, the scientist give up on human experiments as the life span of human is about 100 years with late reproductive phase so require a long time to record the observations. To avoid this the scientist will find alternative ways to test the designed hypothesis like performing experiments on the close relatives of humans like chimpanzee and mice.

Thus, the selected option is the correct answer.

Delvig [45]3 years ago
4 0
C; develop new methods to test the hypothesis
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erica [24]

Answer:

Splitting.

Explanation:

The endosymbiont theory explains the evolution of the organelles of eukaryotes by the ingestion of the materials of prokaryotes. Various evidence are available for the endosymbiont theory origin.

The mitochondria and chloroplast contains the similar RNA sequence and their genetic material is limited. The chloroplast and mitochondria divides by the process of splitting.

Thus, the answer is splitting.

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The germ cell has 2 sets of chromosomes, and the four gametes will each have one set of chromosomes. ​​​​​​​ To have enough DNA
ICE Princess25 [194]

Answer:

This question lacks options, the options are:

A. Halved

B. Doubled (x2)

C. Quadrupled (x4)

D. Octupled (x8)

The answer is B.

Explanation:

Via the process of meiosis, gametes are formed in order for sexual reproduction to occur. However, the chromosomal content of the gametes are reduced by half. According to this question, a germ cell is said to have 2 sets of chromosomes i.e. diploid, meaning that each daughter cell after meiosis will have one set of chromosome (haploid, n).

However, before any form of division can occur, the DNA (genetic material) of the cell must be replicated i.e. doubled in order to ensure that each resulting gamete has enough chromosomes. This is applicable in this question as well as the DNA in the germ cell must be DOUBLED (×2) via replication in order to have enough DNA for each gamete.

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