HORTICULTURE SCIENCE
PLANT BIOTECHNOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cells for study are often taken from human embryos.
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Stem cell techniques will not accomplish the intended purpose.
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The cells cannot be isolated.
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Replacement tissue will never be grown from a person’s own stem cells.
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Detailed explanation-1: -However, human embryonic stem cell (hESC ) research is ethically and politically controversial because it involves the destruction of human embryos. In the United States, the question of when human life begins has been highly controversial and closely linked to debates over abortion.
Detailed explanation-2: -Embryonic stem cells-the most controversial type-are taken from a blastocyst, an embryo at an early stage of development and comprising around 120 undifferentiated stem cells. These cells are called “totipotent” because they can differentiate into any cell type, including other totipotent cells.
Detailed explanation-3: -To acquire the inner cell mass the embryo is destroyed. Risk to female donors being consented.