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Answered

The discovery of mitochondrial DNA (mtDNA) had no effect on which area of scientific investigation?

endosymbiotic theory

inheritance research

forensic science

study of cork bark

Verified Answer :

The study of cork bark had no effect on the mitochondrial DNA (mtDNA).


Further Explanation:

Mitochondria are predominantly present in the eukaryotes. They are not present in single-cell organelles such as RBC (which lacks nucleus). They consist of very small circular mitochondrial DNA. It passes the genetic information from one parent to a new offspring. The DNA of the cytoplasmic organelles is inherited in a non-Mendelian manner. It is generally accepted that mostly in animal cells, mitochondrial DNA is passed on solely by the oocyte of the mitochondria.


Endosymbiotic theory describes the origin of chloroplasts and mitochondria.On the evolutionary basis, mitochondria and chloroplast both originated due to endosymbiotic theory. Bark and corks are an outer component of plants. The bark is mainly made up of cork cambium, cork, cortex, and phelloderm. Cork barks are dead cells of the plant, and their mitochondrial DNA is not involved in metabolic processes.  


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Answer Details:

Grade: High School

Subjects: Biology

Chapter: Cell organelle


Keywords:

Mitochondrial DNA, chloroplast, cork, barks, non-Mendelian, oocytes, mitochondria, circular, single-cell, animal cell, RBC, nucleus.

shivjimishraVT

The discovery of mitochondria (mtDNA) had no effect on the study of cork bark. Thus, the correct option is D.

What are Mitochondria?

Mitochondria may be defined as a rod-shaped cell organelle found in the cytoplasm of the cell. It is a double membrane-bound cell organelle that is known as the powerhouse of the cell.

This is because the energy required for various metabolic activities is released by the mitochondria in the form of ATP. It also helps in the cellular respiration and formation of the cell.

The origin of mitochondria and chloroplast is described by the endosymbiotic theory. Based on the evolutionary aspect, mitochondria and chloroplast both originated due to endosymbiotic theory.

Inheritance research and forensic science also deal with the discovery of mitochondria. While the corb bark of the plants generally contains dead cells with no nucleus and other membrane-bound cells. So, it does not deal with the discovery of mitochondria.  

Therefore, the discovery of mitochondria (mtDNA) had no effect on the study of cork bark. Thus, the correct option is D.

To learn more about the Discovery of mitochondria, refer to the link:

https://brainly.com/question/14775298

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