In 'cloning', nucleus is introduced into which of the following?
Correct answer: B. Egg cell
- A. Somatic cell
- B. Egg cell
- C. Sperm cell
- D. Zygote
Explanation
Option B is correct since in animals and especially among vertebrates, a nucleus from somatic cells is removed and introduced into an egg cell, whose own nucleus is destroyed by ultraviolet radiations.Moreover, through this method, the egg develops into an organism, genetically identical to the parent who has contributed the nucleus.
Last updated
About Reproduction
Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
Practise Reproduction
1,220 free Reproduction MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biology questions like this
Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
2nd meiotic division in the oocyte is completed during the?
50 secondary oocytes in females and 50 secondary spermatocytes in males give rise to:
50 secondary spermatocytes and 50 secondary oocytes will give rise to
A carpel is a leaf which has been modified to produce:
A change in the amount of yolk and its distribution in the egg will affect: