Should Human Cloning Be Allowed?

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Should Human Cloning Be Allowed?

The aim of this case study is to find out whether human cloning should be allowed or not.

Cloning is basically another word for creating a copy of a cell or organisms. In order cloning to happen, you will need asexual reproduction (only 1 parent needed) to make a clone. Asexual reproduction doesn’t normally happen in humans, it happens with plants.

DNA (Deoxyribonucleic acid) is found in the nucleus of a cell and it carries important information that makes up the human body and the information makes the human unique (1 of a kind).

Figure 1:

DNA looks like this:

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Chromosomes are also found in the nucleus. They too carry important information which is called genetic information. The genetic information they carry is eye colour, hair colour etc. In a human body, there are 46 chromosomes (23 pairs) where you get 23 chromosomes from the mother and 23 chromosomes from your father. Chromosomes can also determine a person’s sex (gender) and the chromosome that affects this is the “Y” Chromosomes. If you’re a female then you will have “XX” chromosomes and if you’re a male, you will have “XY” chromosomes.

Figure 2:

This is how a chromosome looks like:

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Figure 3:

This is a male’s genome/chromosome:

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There are 3 types of cloning. The 1st one is called Embryo cloning which is a natural cloning that happens sometimes when the mother is pregnant. The process which causes this is called Mitosis or in other words, a cell division process. The DNA is usually spread out in a long string. DNA forms into the chromosomes. We have duplicate chromosomes within the cell. The chromosomes are pulled apart from the centre of the cell which is splitting. This can make 2, 3 even 4 identical cells which will grow up to become an embryo and twins, triplets or quadruples.

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Figure 4:

This is a diagram which explains Mitosis:

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The 2nd type of cloning is reproductive cloning which has been done many times but the most famous reproductive cloning was a sheep called Dolly.

And the 3rd type of cloning is called Therapeutic cloning which is making a copy of a cell. This type of cloning is important to people who for example, lost an arm. They can clone that arm and put it back in place so that the body will accept it and won’t ...

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