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Alenkasestr [34]
2 years ago
12

What occurs during a point (substitution) mutation?

Biology
1 answer:
ZanzabumX [31]2 years ago
7 0

Answer:

A point mutation or substitution is a genetic mutation where a single nucleotide base is changed, inserted or deleted from a DNA or RNA sequence of an organism's genome.

Explanation:

Hope this helps!

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When you hit your elbow and say that you hit your "funny bone," you have actually hit a nerve that runs across the bone surface.
frutty [35]
This bone can be found over the HUMERUS. 
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3 years ago
C.s. is a 49-year-old male who goes to the health care provider because he is experiencing heartburn more frequently and it is k
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8 0
3 years ago
A cell with 80 chromosomes undergoes meiosis. How many chromosomes are found in the daughter cells? How many daughter cells are
qwelly [4]

Answer:

Four daughter cells are produced each with 40 chromosomes. The daughter cells would exhibit genetic variations and would not be genetically identical to each other.

Explanation:

Meiosis is a cell division that forms four daughter cells from one parent cell as two sequential division meiosis I and meiosis II do not include any DNA replication between them. Crossing over during prophase-I of meiosis-I includes the exchange of genetic segments and occurs between the homologous chromosomes. It produces new gene combinations in the daughter cells which were otherwise not present in the parent cell.

Since there is no DNA replication between meiosis I and meiosis II, the daughter cells have half the number of the chromosomes compared to the parent cell. This occurs as homologous chromosomes move towards the opposite pole during anaphase I.

Therefore, a parent cell with 80 chromosomes will make a total of 4 daughter cells by meiosis. Each daughter cell would have 40 chromosomes. These daughter cells would have some new gene combinations and would be genetically dissimilar among themselves.  

5 0
3 years ago
Ecological Succession in order
Anna71 [15]

Three fundamental phases:

  • Primary
  • Secondary succession
  • Climax state

Hope this helps :)

3 0
3 years ago
Which of the following is maintained by the systems of the body?
Bogdan [553]
I believe the correct answer is homeostasis. 
6 0
3 years ago
Read 2 more answers
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