Which of the following statements is correct with reference to a test tube baby ?

Options

A. Fertilisation of the egg is completed outside the body , the fertilised egg is then placed in the womb of the mother where the gestation is completed
B. Fertilisation of the egg is completed in the female genital track. It is then taken out and grown in a large test tube
C. A prematurely born boby is reared in an incubator
D. Fertilisation of the egg and growth of the embryo is completed in a large test tube

Answer

A

Explanation

In test tube baby or in vitro fertilisaton technique, the ovum is fertilised with the sperm outside the body of a woman providing the ovum with the same environmental conditions as it would have got inside the uterus. The zygote formed is grown inside a calture and when embryo (having 8 or more blastomeres) is formed, It is then implanted into uterus where it develops into foetus.