Today's Question- 2:
Explain the formation of clone dolly.
Class - 8
Topic- Reproduction in Animals
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Answers
Explanation:
Dolly was cloned from a mammary gland cell taken from an adult Finn Dorset ewe. Wilmut and his team of researchers at Roslin created her by using electrical pulses to fuse the mammary cell with an unfertilized egg cell, the nucleus of which had been removed.
Answer:
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. Dolly’s white face was one of the first signs that she was a clone because if she was genetically related to her surrogate mother, she would have had a black face.
Because Dolly’s DNA came from a mammary gland cell, she was named after the country singer Dolly Parton.