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IrinaK [193]
3 years ago
13

How has the artificial manipulation of plasmids been used for technological applications??

Biology
2 answers:
pochemuha3 years ago
5 0

Answer:

Plasmids refer to a small molecule of DNA found within a cell that physically gets distinguished from a chromosomal DNA and possesses the tendency to replicate autonomously. The plasmids are generally found in bacterial cells in the form of small circular, double-stranded DNA. The plasmids are used commonly by scientists as the tools to manipulate and clone genes. The plasmids, which are used for these specific objectives are known as vectors.  

The administration of the desired gene from one species to another has become possible with the help of plasmids. Thus, plasmids help in performing genetic modification. The procedure by which genetic makeup of a species is changed is called genetic engineering or genetic modification.  

sveta [45]3 years ago
3 0
Thank you for posting your question here at brainly. <span>Plasmids can be used to incorporate a desired gene into something else which is lacking the gene. An example would be that you could take a plasmid from a bacteria which is resistant to an antibiotic and put it into a bacteria which is not resistant to the antibiotic. Therefore, the insertion of the plasmid would make the susceptible bacteria resistant.</span>
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Answer:

Option D, telophase

Explanation:

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Hence, option D is correct

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Answer:

F1 Females  - all wild type

F1 Males  - all wild type

F2 Females  -  - all wild type

F2 Males - 1/2 wild type, 1/2 vermilion

Explanation:

The wild-type allele (Xᵛ⁺) is dominant over vermilion (Xᵛ), which is a sex-linked trait.

Female flies have two X chromosomes, male flies have one X and one Y chromosome.

A homozygous wild-type female fly (Xᵛ⁺Xᵛ⁺) is mated with a vermilion male fly (XᵛY).

The female parent can only produce Xᵛ⁺ gametes.

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When gametes from both parents fuse, the F1 offspring will have the genotypes Xᵛ⁺Xᵛ (females with wild type eyes) and Xᵛ⁺Y (males with wild type eyes).

The F1 females can produce Xᵛ⁺ and Xᵛ gametes. The F1 males can produce Xᵛ⁺ and Y gametes.

When the F1 individuals interbreed, the gametes combine to give rise to the F2 offspring. The possible combination of gametes that will give the different genotypes and phenotypes in the F2 are:

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