AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

CLONING GENES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Fact or myth:Cloning can happen in nature.
A
Fact
B
Myth
Explanation: 

Detailed explanation-1: -Myth: Scientists can bring back extinct species by cloning them. Although it’s theoretically possible, at this time it’s not very likely to happen any time soon.

Detailed explanation-2: -Do clones ever occur naturally? Yes. In nature, some plants and single-celled organisms, such as bacteria, produce genetically identical offspring through a process called asexual reproduction. In asexual reproduction, a new individual is generated from a copy of a single cell from the parent organism.

Detailed explanation-3: -Examples of cloning that occur naturally are as follows: vegetative reproduction in plants, e.g. water hyacinth producing multiple copies of genetically identical plants through apomixis. binary fission in bacteria. parthenogenesis in certain animals.

Detailed explanation-4: -February 22, 1997-Scientists reveal Dolly the sheep, the first mammal to be cloned from cells of an adult animal. She was actually born on July 5, 1996. 1998-More than 50 mice are reportedly cloned from a single mouse over several generations. Separately, eight calves are reportedly cloned from a cow.

Detailed explanation-5: -These two dogs were cloned by a biopharmaceutical company that specializes in stem cell based therapeutics. Cloning is a technique scientists use to make exact genetic copies of living things. Genes, cells, tissues, and even whole animals can all be cloned. Some clones already exist in nature.

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