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oksian1 [2.3K]
2 years ago
15

I only have two questions, thank you! One difference between a point mutation and a chromosomal mutation is that ____

Biology
2 answers:
krek1111 [17]2 years ago
5 0
For the first question the answer would be B. 
For the second question the answer would be D. I am not 100% on this but its my best guess. 
OlgaM077 [116]2 years ago
5 0

Answer:

1. The most appropriate answer would be an option C.  

A point mutation refers to the mutation or change that occurs at only one or a few nucleotides of the DNA.

Usually, a single nucleotide is substituted with the wrong nucleotide due to which only a single codon is affected.

However, it can cause frame shift mutation if insertion or deletion of nucleotide takes place.

In contrast, in chromosomal mutation long segment of DNA is involved. It may involve one or more genes. It mainly includes insertion, deletion, translocation, and inversion.

In addition, chromosomal mutation can cause change in the number or sets of chromosomes such as poliploidy, aneoploidy et cetera

2. The correct answer would be C. A point mutation

A point mutation refers to the mutation or change that occurs at only one or a few nucleotides of the DNA.

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Answer:

D. 4 times as great

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The inertia of an object is the resistance offered by the object to change in its motion or position.

Then concept of inertia is obtained from Newton's first law of motion which states that an object which is not subjected to any net external force will remain its position of rest or constant velocity of motion until some net external force acts on it. The object at rest will then start to move whereas the object moving at constant velocity will experience a change in its speed or direction of motion.

This reluctance to change position is greater, the more massive an object is as well as the higher the speed of motion of the object. Thus, inertia is directly proportional to the mass of the object as well to the velocity of an object in motion.

From Newton's first law, inertia can be calculated as the force to be overcome to mobile an object, i.e. Inertia = F = ma

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For a 4 kg mass, inertia = 4 × g

The inertia of a 4 kg mass is four times as great as a 1 kg mass.

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Answer:

Its A.

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Correct on gradpoint my dooods!

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