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3 years ago

In single-gene traits, natural selection can lead to which of the following?

Biology

2 answers:

ivanzaharov [21]3 years ago

5 0

Answer;

-Allele frequency change

In single-gene traits, natural selection can lead to allele frequency change.

Explanation;

-Allele frequencies can change over time within a single population, and frequently differ between populations. This change is due to four different processes: mutation, selection (natural and artificial), gene flow and genetic drift.

-Random forces lead to genetic drift. Sometimes, there can be random fluctuations in the numbers of alleles in a population. These changes in relative allele frequency, called genetic drift, can either increase or decrease by chance over time.

Tju [1.3M]3 years ago

3 0

Answer:

It causes the allele frequency to resemble that of a small number of individuals that became separated from the rest of the population.

Explanation:

study island says so

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Over [174]

Answer:

Predator-prey relationship

Explanation:

A predator prey relationship is one in which interactions usually with consequential effects occurs between two different species. One species usually feed on the other. The species being fed on are the prey while the species being fed is the predator. In this context, the prey is the ant and the predator s are the ant lions.

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3 years ago

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bogdanovich [222]

The correct answer is marsupials.
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3 years ago

In eukaryotic cells, DNA is packaged with proteins into structures called chromosomes. What advantage do chromosomes provide the

Vadim26 [7]

Answer:

Option C, They allow random distribution of genetic material when a cell divides.

Explanation:

The chromatin are responsible for packaging of DNA molecule into smaller space with in a chromosome. It not only package it but also protect it from. Packaging allows for easier division of cells during mitosis and meiosis and hence prevent any kind of damage to the DNA.

Chromosomes make recombination and random segregation of genetic material to form new cells. Each new cell gets equal number of chromosomes

Hence, option C is correction

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3 years ago

A polysome is ____. a. the complex that adds a poly(A) tail onto an mRNA b. an mRNA transcript to which multiple ribosomes

WARRIOR [948]

Answer:b. an mRNA transcript to which multiple ribosomes are attached

Explanation: polysome consist of mRNA complex and two or more ribosome coming together to translate mRNA into a polypetide or amino acid. It helps produce many polypeptide from a single mRNA.

Different ribosomes bind to the mRNA at different time elongating the polypeptide chain. We have the free( non-poly A ) and memberane bound (poly A) polysome.

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ivann1987 [24]

Answer:

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Explanation:

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