Why was the sheep named “Dolly” so important? Group of answer choices Dolly was the first mammal cloned from a germline cell Dolly was the first mammal cloned from a somatic cell Dolly was the first example of cloning a gene Dolly was the first example of therapeutic cloning
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In $1997,$ Dolly the sheep was cloned by a technique called somatic-cell nuclear transfer (or nuclear-transfer cloning). A nucleus from an adult mammary cell was transferred into an egg from which the nucleus had been removed. The egg was allowed to divide several times in culture, then the embryo was transferred to a surrogate mother who gave birth to Dolly. Dolly died in 2003 after mating and giving birth herself to viable offspring. What does the creation of Dolly tell us about the potential of nuclear material derived from a fully differentiated adult cell? Does the creation of Doliy tell us anything about the potential of an intact, fully differentiated adult cell?
Adi S.
LS1-4 Dolly the Sheep was born in 1996 in Scotland. She was the first mammal ever cloned from a single cell. The scientists created Dolly in a lab using three mothers: Sheep A provided the egg, Sheep B provided the DNA, and Sheep C carried the embryo to term. During this process, Dolly's cells went through several phases of mitotic growth. Which statement represents the processes of both the somatic cell cycle and cell differentiation? A student scratches his arm, causing skin cells to fall off. These cells are soon replaced by identical ones, and the student does not notice. A baby is growing in its mother's womb from a tiny ball of cells to an 8lb baby boy. Hematopoietic stem cells (HSCs) turn into different blood cells in a girl's hip bone. A teenager undergoes a growth spurt one summer.
Supreeta N.
Md.Daniyal A.
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