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solong [7]
3 years ago
14

Describe the possible effects of a mutation on an organism. Describe an example for each effect you mention.

Biology
1 answer:
Sholpan [36]3 years ago
3 0

The effects of a mutation are different depending on the type of cell that is affected.

* If a mutation occurs in a somatic cell (all cells except the reproductive cells), this can trigger the development of a cancer (colorectal cancer, retinoblastoma...).

* If a germ cell (reproductive, giving gametes) is affected, the person will not be affected but his descendants will be affected. (this gives genetic, hereditary disease, like sickle cell anemia, haemophilia...).

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Dichotomy means_____.
Lina20 [59]

Answer:

B

Explanation:

Dichotomy is a division or contrast between two things that are or are represented as being opposed or entirely different.

6 0
2 years ago
Why is it important to know the average mutation rate when using DNA comparisons to determine
Svet_ta [14]

Answer:

mutation rates can be used to design molecular clocks in order to estimate divergence times among species  

Explanation:

In evolutionary biology, the substitution rates (also known as mutation rates) are used for the development of 'molecular clocks' which allow estimating the divergence times among species or among taxonomic groups. Molecular clocks can be designed by estimating the divergence rate of nucleotide sequences (either DNA or RNA) and amino acid (protein) sequences. These substitution rates can also be used to track how quickly viruses evolve (for example, in a pandemic situation).

6 0
3 years ago
You have conducted an Ames test on a given compound. Which of the following would be classified as a positive result on the Ames
Step2247 [10]

Answer:

The correct answer is option (D) "His- strain grows on an his- plate".

Explanation:

The Ames test is a procedure that allows to detect if a given compound can cause mutations on a tested organism by growing strains of bacteria that require histidine (His-) to growth, since they are not able to produce its own histidine. In the Ames test, the bacteria is exposed to a given compound and is grown in a medium with small amount of histidine (his- plate). If the His- strain grows on a his- plate, it means that the bacteria has mutated to synthesize its own histidine and it is considered as a positive result on a the Ames test.

8 0
3 years ago
Read 2 more answers
What are two types of evidence that suggests that evolution has occurred
sashaice [31]
There is evidence that evolution occurred, but nothing is proved for sure. I'm sure you can find the information if you search it on the internet. Sorry, this probably won't be helpful for your question, but please don't hate. I just wanted to tell you that you might want to think about the possibility that there wasn't a big bang, and everything spontaneously appeared, or that everything evolved from a single bacteria or whatever, or that the earth is billions of years old. If you look into it, lots of that evidence isn't even lined up correctly. I believe that there is a creator, who carefully designed everything with love. I know it sounds cheesy, but this creator, or designer who made all of us, is the reason we even celebrate Christmas. Anyway, thanks for reading this, God bless.
6 0
3 years ago
When chromosomes do not separate you end up with a
dusya [7]

Answer:

The phenomenon of unequal separation in meiosis is called nondisjunction. If nondisjunction causes a missing chromosome in a haploid gamete, the diploid zygote it forms with another gamete will contain only one copy of that chromosome from the other parent, a condition known as monosomy. I think sorry if wrong ;)

7 0
3 years ago
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