Question

What is the effect of DNA copying which is not perfectly accurate on the reproduction process? Mention the mode of reproduction used by Planaria ​

Answer 1

Answer:

• DNA copying is not perfectly accurate and the resultant errors are a source of variations in populations of organisms.

• Planaria has high power of regeneration. It reproduces asexually in which it loses a part of its body (generally tail), and the lost body parts grow into new individual.

Hope this helps!!

Answer 2

ANSWER:

Deoxyribonucleic acid

Explanation:

Fertilisation is defined as the fusion of a male gamete (sperm) with a female gamete (an ovum or egg) to form a zygote during sexual reproduction.

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(ii) The site of fertilisation in human beings is in the fallopian tube of female reproductive system.