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2 years ago

1) A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA

Biology

1 answer:

11111nata11111 [884]2 years ago

6 0

Answer:

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA

is copied or as the result of environmental factors. All BUT ONE of the statements below correctly

describes or explains genetic mutations.

A) Mutation can disrupt normal cell activity and cause diseases, like cancer.

B) Mutations in parents' cells are then passed down to offspring via reproduction,

C) Our cells can recognise any potentially mutation-causing damage and repair it Eliminate

before it permanent.

D) Mutations can occur as the result of exposure to environmental factors such as

smoking, toxins and radiation.

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What are the sources of genetic variation during Meiosis?

aniked [119]

Explanation:

Genetic variation is increased by meiosis

Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase I

7 0

3 years ago

The theory of evolution describes

Leni [432]

The correct answer to your question is the last one; how species change over time.
Hope that helps!

5 0

3 years ago

A large, semi-truck hauling a full load and a small car are traveling in the same direction. as they approach a sharp curve in t

bezimeni [28]

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

Below are the choices that can be found elsewhere:

semi-truck – it has more inertia

semi-truck – it has balanced forces

 small car – it has more inertia

small car – it has balanced forces

The answer is "semi-truck – it has more inertia"

3 0

3 years ago

The law of _________________ states that traits are passed from parents to offspring independently of one another.

balu736 [363]

Answer: The correct answer for the fill in the blank is- Law of independent assortment.

According to the Mendel's law of independent assortment, the allele ( alternative form of a gene that corresponds to a trait) pairs of different genes segregate independent of each other during the process of gamete formation. This means that different traits are transmitted independently from parents to their offspring.

Thus, Law of independent assortment is the right answer.

5 0

4 years ago

Read 2 more answers

Not only are the kidneys considered organs of excretion, but they have an endocrine function as well as an important role in the

stira [4]

Answer:

True

Explanation:

One of the edocrine processes the kidney is involved in is called the RAAS (Renin-Angiotensin-Aldosterone System) which is a signaling pathway involved in blood pressure control. It involves a number of hormones:

Angiotensinogen is produced by the liver in response tovarious inflammatory proteins

Renin is a protease produced by the kidneys in response tohypotension,

Angiotensin II increases blood pressure via a number of mechanisms:

Aldosterone acts to increase reabsorption of Na+ and water and increase elimination of K+ and H+ in the distal tubules of the kidneys for ion concentration maintenance

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3 years ago