Asexual reproduction can still lead to high genetic...

Name: asexual reproduction can still lead to high genetic diversity in bacterial populations because 88817
Uploaded: 2022-02-16T03:21:13-08:00
Duration: 2 min 1 s
Channel: Vivek Singh
Description: asexual reproduction can still lead to high genetic diversity in bacterial populations because 88817

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In eukaryotes, sexual reproduction is the main process that generates new gene combinations. How do bacteria generate new gene combinations in the absence of sexual reproduction?

Which of the following is true of how genetic variation arises within bacteria populations? Genetic recombination occurs during sexual reproduction, where bacterial cells undergo meiosis to produce haploid gametes (sex cells) and then two gametes meet to produce a new combination of genes in the diploid adult bacteria. Bacteria reproduce asexually through binary fission (essentially mitosis). New genetic combinations are possible if mutations occur during binary fission causing the "offspring" bacteria cell to have different DNA than the parent. New genetic combinations within a bacteria can arise through transformation, wherein the bacteria directly absorbs compatible DNA from the environment. An example of this is the transformation of harmless Streptococcus bacteria into pneumonia-causing Streptococcus through the uptake of DNA fragments in the environment containing the allele for causing pneumonia. Sometimes, one bacterial cell can donate DNA directly to another bacterial cell through conjugation, a process wherein two bacteria reproduce sexually with one another, producing a unique genetic combination in their offspring.

Nayan G.

Explain how bacteria reproduce. Which factor do they rely on to increase genetic variation? Discuss the advantage(s) and disadvantage(s) of asexual reproduction in the light of evolution.

Sri K.

Transcript

00:01 All right everyone.

00:01 So the question is related in the u -carroid related to the u -carriots.

00:06 So in u -carot sexual reproduction is the main process that generate the new gene combination.

00:12 So we have to discuss how do the bacteria can generate a new gene combination in the absence of, in the absence of sexual reproduction, in the absence of sexual reproduction.

00:29 Dachshund.

00:30 So let's see the reason behind this question...

Question

asexual reproduction can still lead to high genetic diversity in bacterial populations because

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