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lesya [120]
3 years ago
7

What is the region of dna that controls the hereditary character

Biology
1 answer:
Naily [24]3 years ago
7 0
<span>Genes.Genes are the working unit of the hereditary character of DNA. Genes act as instructions usually coding for a particular protein or function. One form of gene which are called alleles <span>determines the traits that can be passed on from parents to offspring.</span></span>
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Write 1 to 2 paragraphs explaining the role chromosomes play in heredity. Include the structure and function of chromosomes.
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Answer:

Chromosomes are systemized structures of proteins and DNA. It have a string like shape, mainly located within the nucleus of both plant and animal cells. DNA is concentrated in the chromosomes. In 1902, Sutton and Boveri proposed that chromosomes has a part in heredity opposing Mendel's theory of segregation and independent assortment.

One major function of the chromosome is to keep the DNA from being altered or negatively influenced during cell division. It ensures accurate distribution of the DNA during the breaking down of genetic material. In mitosis, the chromosomes are duplicated and dispersed to daughter cells so that each cell attains a diploid set of chromosomes totally of the same nature to that of its parent cell. In meiosis, the resultant cells would attain a chromosome from each chromosome pair this will lead to half the number of chromosomes. This process is important for the offspring being produced to have the same characteristics of the parents which would results from the fusion of the sperm and egg of the parents.

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3 years ago
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Why do our classification systems change?
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All the organisms are running across a continuous evolution system and the organisms including the human beings do not fit into the classification system of the time. the classification system changes according to the changes in the organisms species and they have to be incorporated soon in new groups.

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3 years ago
Describe how a magnetic field can produce a change in energy.
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Answer:

Magnetic fields can be used to make electricity

Moving a magnet around a coil of wire, or moving a coil of wire around a magnet, pushes the electrons in the wire and creates an electrical current. Electricity generators essentially convert kinetic energy (the energy of motion) into electrical energy.

Explanation:

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They lack a nucleus, but they do have ribosomes.

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Primary succession occurs in areas without life, while secondary succession occurs in places that were previously inhabitated.

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