Question

Lizard is not similar to human beings, cow and cat. What is the reason? *
a) ਇਸ ਵਿੱਚ ਅੰਦਰੂਨੀ ਨਿਸ਼ੇਚਨ ਹੁੰਦਾ ਹੈ। It undergoes internal fertilization
b) ਅੰਡੇ ਦੇਣ ਵਾਲੇ ਜੰਤੂ। It is oviparous
c) ਇਹ ਬੱਚੇ ਨੂੰ ਜਨਮ ਦਿੰਦਾ ਹੈ। It is viviparous
d) ਇਸ ਵਿੱਚ ਬਾਹਰੀ ਨਿਸੇਚਨ ਹੁੰਦਾ ਹੈ। it undergoes external fertilization​

Answer 1

Answer:

Just as it terrorised the minds of the Greeks, this vision is also the cause of much consternation regarding the successful creation of the first human-pig hybrid embryos at the Salk Institute in California. In fact, such human-animal hybrids are often referred to as “chimeras”.

While this scientific advance offers the prospect of growing human organs inside animals for use in transplants, it can also leave some people with a queasy feeling. It was precisely this queasiness that led to the moratorium on funding for this programme of research.