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xenn [34]
3 years ago
13

Please help me please will give brainliest ​

Biology
1 answer:
Svet_ta [14]3 years ago
7 0
Is this just a random question or is there any information given to us about his parents? if not, C would be your answer
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The condition in which there are three copies of the a chromosomes type instead of the normal two is called
andrew11 [14]

Answer:

Trisomy

Explanation:

A trisomy is a type of polysomy (presence of three or more copies of the chromosome rather than the expected two copies) in which there are three copies of a particular chromosome, instead of the normal two. A trisomy is a also a genetic disorder and a type of aneuploidy (an abnormal number of chromosomes either an increase or a decrease). Examples include trisomy 21 (Down syndrome), trisomy 18 (Edward syndrome), trisomy 13 (Patau syndrome)

7 0
3 years ago
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When will natural selection occur? A. When there is no competition B. When a population reaches carrying capacity C. When there
lukranit [14]

Answer:

B because when it hits its carry capacity its survival of the fittest to live

5 0
3 years ago
students learned that the job of one organelle in a cell is to filter out cellular wastes, toxins, and excess water or nutrients
weeeeeb [17]

Answer: The excretory system.

Explanation: The excretory system's function is to filter out cellular wastes, toxins and excess water or nutrients from the circulatory system.

3 0
2 years ago
What is a genotype?
anygoal [31]

the genetic constitution of an individual organism.

4 0
3 years ago
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What chemical compound is crucial to marine life and how it is disappearing
Setler79 [48]

The answer is nitrogen. It is usually regarded as a growth-<span>limiting</span> factor for <span>primary</span> <span>producers</span> such as <span>phytoplankton</span>. It is <span>usually</span> taken up in the ‘fixed’ form of ammonium. It is converted from <span>dissolved</span> nitrogen gas in ocean surface to a ‘fixed’ form by particular microbes. Due to <span>increasing</span> global <span>temperatures,</span> as a result of global warming, the ocean temperatures have increased hence oceans hold less dissolved oxygen than they used to. <span>The low</span> oxygen concentration in the oceans <span>induces</span> the loss of nitrogen from oceans through <span>increased</span> activity of micro-<span>organisms</span> that are significant in denitrification. This rate becomes higher than that of nitrification that fixes nitrogen in the oceans. <span> </span><span> </span>

7 0
4 years ago
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