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Aneli [31]
3 years ago
14

Define mutation and mutagen.

Biology
1 answer:
Nina [5.8K]3 years ago
4 0
Mutations. Definition. A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. A Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed.
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True or false?? the extinction of a species affects other species, including humans. explain your answer..
Sonbull [250]
I'm thinking true heres why lets say you have a bird and the bird eats worms.. and all the worms in the world are gone the bird will die and what ever animal ate that bird will die and what ever animal ate that bird will die and so on 

my guess
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4 years ago
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As compared to developing countries, developed countries have a
kherson [118]
I would say C! Most developing countries have high birth and death rates, while developed countries are more steady.
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3 years ago
If 20% of the long-tailed cats got their tails stuck in something and failed to reproduce, what would be the expected change in
den301095 [7]

Complete question:

Phenotype               Genotype         Number of Individuals

Long-tailed                     TT                               260

Long-tailed                      Tt                                160

Short-tailed                      tt                                 80

If 20% of the long-tailed cats got their tails stuck in something and failed to reproduce, what would be the expected change in frequency of T in the next generation

Answer:

The expected change in allelic T frequencies probably changes from 0.6 to 0.57 in the following generation.  

Explanation:

Due to technical problems, you will find the complete question, answer and explanation in the attached files.

Download pdf
7 0
3 years ago
Part 1 - Compare Articles
viktelen [127]

Answer:

                     

Explanation:

3 0
2 years ago
A set of identical twins are together in an introductory biology class. The unit of study is DNA and its structure. The teacher
Hunter-Best [27]

In identical twins, alleles are identical and the order of the bases on the interior of the DNA molecule is identical (Options C and E). It is because genetic material is identical.

<h3>What are identical twins?</h3>

Identical twins refer to individuals produced by the same zygote cell, i.e., they are monozygotic twins.

Since these individuals are produced by the same zygote cell, their genetic material (DNA) will be identical.

Identical twins are useful to understand the exact role of genetics and environment in a given phenotypic trait.

Learn more about identical twins here:

brainly.com/question/17180337

6 0
2 years ago
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