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Goshia [24]
3 years ago
12

What is the main function of the crispr-cas9 system?

Biology
1 answer:
Rainbow [258]3 years ago
8 0

Answer:

CRISPR-Cas9 is a unique technology that enables geneticists and medical researchers to edit parts of the genome? by removing, adding or altering sections of the DNA? sequence. It is currently the simplest, most versatile and precise method of genetic manipulation and is therefore causing a buzz in the science world.

Explanation:

Hopefully this helps you if it does please mark brainliest

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A scientist looks under a microscope and sees two cells in the process of dividing. Which principle of cell theory would this ev
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All cells arise from pre existing cells.

Explanation:

one of the principles on the cell theory states that all cells came from pre existing cells . The two cells are parent cells who are big enough to undergo mitosis. The 4 cells made out of this event are daughter cells .

4 0
3 years ago
Which best describes the sex chromosomes in humans?
Amanda [17]

Answer: Option D )Males have two different chromosomes.

Explanation:

The human males have two different chromosomes known as the XY- chromosome. Hence, a human male child receives a Y chromosome from his father with XY, and a X chromosome from his mother with XX.

Females, on the other hand have similar chromosomes (XX-chromosome), each X received from each parent.

Thus, the XY-chromosome in human males make for two different chromosomes.

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3 years ago
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Which type of primary brain tumor usually arises in the walls of the fourth ventricle in children and in the lateral ventricles
larisa86 [58]

Answer:

Primitive neuroectodermal tumor (PNET)

Explanation:

They usually occur in early childhood but may become symptomatic in adult life. In children, they commonly occur in or near a spinal fluid sac known as the fourth ventricle and are called medulloblastomas.

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Which organism in the alpine booms was once nearly extinct
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