Read "Jurrassic Park" by Michale Crichton. There's your answer
The cloning of life remains a deeply controversial and vexing issue due to the ethical implications the technology creates. In reference to literally resurrecting extinct species this creates the introduction of new and alien organisms into a biosphere. Other dangers include the humane treatment as cloning cannot assure the organism may suffer through its creation or if their offspring will be viable and healthy.
Cloning of mammals is controversial due to ethical concerns surrounding animal welfare, the potential for suffering in cloned animals, and the implications for biodiversity. Critics argue that cloning can lead to health problems in clones, as seen in cases like Dolly the sheep. Additionally, the prospect of cloning raises moral questions about individuality and the natural processes of reproduction. These concerns are compounded by broader societal implications regarding the manipulation of life and the potential for human cloning.
You and I are both mammals, and we are definitely not extinct.
Not at all. Mammals are alive and well, and include all creatures with fur/hair and skin. Horses, dogs, cats, mice, kangaroos, bears, etc are all just a small sample of the mammals which are not extinct. Mammoths, on the other hand, were ancient mammals which are now extinct.
The difference between cloning genes and cloning a mammal is that when a gene is cloned, it is typically removed from a DNA sequence and inserted into an organism. The cloning of a mammal, however, is when a somatic cells from the mammal are cloned to produce a "copy" of the mammal.
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there are many ethical problems involved in cloning humans
Not at all. Aquatic placental mammals include dolphins, whales and dugong.
we and all large mammals would not be around
after dinsaurs became extinct
No, not all mammals are placental. There are two other groups of mammals: the monotremes and the marsupials.Monotremes are egg-laying mammals, and marsupials are generally pouched mammals, although not all marsupials have fully developed pouches.
YES! They are mammals so of course