HORTICULTURE

HORTICULTURE SCIENCE

PLANT BIOTECHNOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In what decade was Dolly the sheep cloned?
A
1930s
B
1950s
C
1970s
D
1990s
Explanation: 

Detailed explanation-1: -Dolly was cloned from a cell taken from the mammary gland of a six-year-old Finn Dorset sheep and an egg cell taken from a Scottish Blackface sheep. She was born to her Scottish Blackface surrogate mother on 5th July 1996.

Detailed explanation-2: -Dolly, female Finn Dorset sheep that lived from 1996 to 2003, the first clone of an adult mammal, produced by British developmental biologist Ian Wilmut and colleagues of the Roslin Institute, near Edinburgh, Scotland.

Detailed explanation-3: -1997: The world learns of the existence of Dolly the sheep, the world’s first successfully cloned mammal. Dolly was cloned at the Roslin Institute in Scotland. Researchers used somatic-cell nuclear transfer with a cell taken from a 6-year-old ewe.

Detailed explanation-4: -Dolly the Sheep was announced to the word with a paper published in 1997, in the journal Nature, succinctly titled “Viable offspring derived from fetal and adult mammalian cells”.

There is 1 question to complete.