A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is:

Explanation

The correct answer is:c. Gamete Intra Fallopian TransferNow, let's explain each option and why the correct answer is c:a. Gamete Internal Fertilization and Transfer: This option does not represent the correct full form of the technique. While it contains some relevant terms like "gamete" and "transfer," it is not the proper terminology for the GIFT technique.b. Germ cell Internal Fallopian Transfer: This option is not the correct full form either. "Germ cell" is not typically used to describe this technique, and "Internal Fallopian Transfer" is not the appropriate wording.c. Gamete Intra Fallopian Transfer: This is the correct full form of the technique. GIFT stands for Gamete Intra Fallopian Transfer. In GIFT, both the egg and sperm are collected and then immediately transferred into the fallopian tube, where fertilization can occur naturally.Summary:The full form of the technique that can assist a childless couple in having a child is "Gamete Intra Fallopian Transfer" (GIFT). This technique involves transferring both the egg and sperm into the fallopian tube for fertilization.