Question:

The permissible use of the technique amniocentesis is for

Updated On: Aug 20, 2024
  • detecting sex of the unborn foetus
  • artificial insemination
  • transfer of embryo into the uterus of a surrogate mother
  • detecting any genetic abnormality.
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The Correct Option is D

Solution and Explanation

Amniocentesis is withdrawal of a sample of the fluid (amniotic fluid) surrounding a foetus in the uterus by piercing the amniotic sac through the abdominal wall, under direct ultrasound guidance. As the amniotic fluid contains cells from the foetus, cell cultures enable chromosome patterns to be studied so that prenatal diagnosis of chromosomal abnormalities can be made. Certain metabolic errors and other abnormalities, such as spina bifida, can also be diagnosed prenatally from analysis of the cells or of the fluid. As this technique also helps in detection of sex of the unborn foetus, it has been banned inorder to legally check increasing female foeticides.
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Concepts Used:

Sex Determination

In human beings and animals, sex determination is usually conducted by hormonal differences, the combination of different chromosomes during reproduction. In human beings, males and females generally hold different gene variants and sex determination is hereditary. Sex differences involve the growth of a human's inner and outer sex organs and genitalia which plays a crucial role in Sex determination into masculinization and feminization that is by the growth of Sertoli cells in a male child and granulosa cells in a female child. As the zygote cell matures into adulthood definite things take place in sexual differentiation, that is the growth of different sex hormones, genes, reproductive glands, and long DNA molecules. The initial stages of sex differentiation in humans are somewhat similar to those of any other mammalian species' biological processes. In humans, males have a pair of XY chromosomes whereas females have a pair of XX chromosomes, and the Y chromosome of the male parent prompts testicular development like testis formation whereas X chromosomes of the male parent prompt ovarian development and form ovaries. Hence it is obvious that Father is the sex-determining factor.