1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lyrx [107]
3 years ago
10

A person is born with an extra copy of chromosome 21, what type of mutation has occurred?

Biology
2 answers:
Shalnov [3]3 years ago
7 0
The answer is A, DNA mutation. :) 
Hope this helps! 
guapka [62]3 years ago
5 0
Hold on. Failure of chromosomes copying is known as non-disjunction. This mutation is known as trisomy 21, or Down’s syndrome. I believe the answer is D.
You might be interested in
What are the two major parts of photosynthesis and why is this process important to the ocean?
kirza4 [7]
The two major parts of Photosynthesis are the Calvin cycle and the light dependent reaction.
6 0
3 years ago
What human activity would most likely decrease the amount of carbon in the atmosphere
Nataliya [291]

Answer:

Human activity can affect the amount of carbon in the atmosphere. When fossil fuels like oil, coal, and natural gas are burned, carbon dioxide is released into the atmosphere as waste.

Explanation:

4 0
3 years ago
What two components are found as part of an enzyme
krok68 [10]

Answer:

Active site and protein.

Explanation:

The two components which are often found as part of an enzyme are Active site and protein. Proteins are referred to as macromolecules or macromolecules which consists of more or one of a chain of amino acid residue. They do perform an array of functions which are within organisms.

7 0
2 years ago
In the conservation of species, protection of entire ecosystems ensures that _____. humans have no impact on the ecosystem abiot
lapo4ka [179]
Ensures that species interactions are preserved..

3 0
4 years ago
Read 2 more answers
Ps.The answer is B,
VMariaS [17]

Answer  A

Explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • Which of these factors is involved in earthquake formation?
    8·3 answers
  • The nitrogen base in atp is
    6·1 answer
  • Why is field flooding used More Often by Farmers than drip or sprinkler irrigation
    11·1 answer
  • Do you see a connection between wavelength and frequency? Explain.
    6·1 answer
  • On average how much energy is passed from one trophic level to the next
    7·1 answer
  • What is fibre and it types​
    14·1 answer
  • The projections move the prokaryote through its environment is known as ribosome
    7·2 answers
  • (1) What is the most common way for a dead organism to avoid decomposition?
    7·1 answer
  • Explain why some parts of a plant can act as both a source and a sink.
    11·1 answer
  • DeShawn is a plant geneticist and needs to see the internal cells of a type of mold he is analyzing. Which microscope should he
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!