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cupoosta [38]
3 years ago
6

Derive the relationship between evolutionary substitution rate (at the population level) and mutation rate of individuals when g

enetic drift and mutation are the only mechanism of evolution operating. Then comment on how population size affects the generation and maintenance of genetic diversity under this model of drift/mutation balance
Social Studies
2 answers:
zlopas [31]3 years ago
8 0

Gene mutations are sudden changes that occur in genes, that is, it is the process by which a gene undergoes a structural change. Mutations are distinguished from aberrations in that they are changes at the point level, involving the elimination or replacement of one or a few nucleotides in the DNA strand.

The addition or subtraction of bases alters the genetic code, defined by the sequence of three adjacent bases in the mRNA, and consequently it can change the type of amino acid included in the protein chain and, ultimately, it can change the phenotypic expression.

The replacement of a purine (adenine and guanine) with another purine, or a pyrimidine (cytosine and thymine) with another pyrimidine is called a transition. The replacement of a purine with a pyrimidine, or vice versa, is called transversion.

The genetic derivative is one of the basic mechanisms of evolution, associated with natural selection, activated and mutated. This mechanism, especially important in small threats, can be defined as a change in allele frequencies that occurs in a totally random manner. Although it also uses the genetic makeup of a population, it can differentiate natural selection by not producing adaptations

In the case of natural selection, the gene that passes on to the next generation is the one that provided a better adaptation to the environment. In genetic drift, the gene that passed on to the next generation was the one that was most “lucky”.

ycow [4]3 years ago
6 0

Answer&Explanation:

Mutation refers to a chance in an organism's DNA, this means a change in hereditary traits of that's organism.

This change in DNA will change how an organism behaves,looks like and it's physiology. This mean an overall life of that organism changes , this makes mutation a huge crucial aspect of evolution, because it is the major aspect that result to genetic variation and changes in organisms.

how population size affects the generation and maintenance of genetic diversity under this model of drift/mutation balance?

Genetic drift reduces genetic variation in a population. This is because genetic drift causes changes in how frequent certain alleles are which occurs just randomly , this is very likely to have a major affect in a small population but not much in a large population.

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Explanation:

Sexuality is often imposed on human beings as a social construction, where the culture around us and the concepts and customs defended by it determine that heterosexuality is correct, desired and expected from each of us. While homosexuality is seen as something wrong and culturally combated in the strongest possible way.

Our culture presents marriage as a way of teaching us about heterosexuality and as a way of imposing that this type of sexuality is desired by us. This can be seen through the prohibition of homosexual marriage and all the prejudices carried by homosexuality, which imposes on us that homosexual couples are unhappy, because they do not fit in the heteronormatized culture, which causes suffering, and, nobody wants to suffer or be unhappy.

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3 0
3 years ago
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mihalych1998 [28]

Answer:

To limit hate speech

Explanation:

While freedom of speech is one of our fundamental rights, there are limitations. As a general rule, limitations on free speech preclude speech that is harmful to others, threatening, or generally repulsive and reviled.  

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3 years ago
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almond37 [142]

Explanation:

The witness's testimony is inadmissible.

Under Federal Rule 804(b)(1), the testimony of a witness who is unavailable, given at another hearing, is admissible in a subsequent trial if there is sufficient similarity of parties and issues so that the opportunity to develop testimony or cross-examination at the prior hearing was meaningful.

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