AP BIOLOGY

EVOLUTION

SOURCES OF VARIATION IN A POPULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the first cloned mammal?
A
goat
B
cat
C
sheep
D
cow
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.

Detailed explanation-2: -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”.

Detailed explanation-3: -On July 5, 1996, scientists at Scotland’s Roslin Institute announced that they had successfully cloned the first animal from an adult cell-a sheep named Dolly. Dolly was the first mammal to be successfully cloned using somatic cell nuclear transfer (SCNT) technology.

Detailed explanation-4: -Samrupa is the world’s first cloned buffalo calf. Samrupa was considered to be India’s answer for Dolly sheep which lived for seven years. However, Samrupa was infected with a lung infection after five days of its birth and died. Although India has a huge livestock population there is still shortage of feed and fodder.

Detailed explanation-5: -The sheep, made from breast cells, was famously named after Dolly Parton, the American singer known for her large chest as well as her voice.

There is 1 question to complete.