Q.Which of the following is the technique of determining chromosomal disorders of the developing human foetus?
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🔒 Start your 14-day free trial to unlock the full solution →Concept understanding — Sex Determination Ethics
Sex Determination Ethics: A First Look
Imagine a family waiting for a baby. Relatives whisper, "Hope it's a boy" or "Thank God it's a girl." That casual reaction carries a heavy ethical weight. Sex determination ethics is the study of the moral questions surrounding the practice of choosing or knowing the sex of a child before birth, and the social consequences that follow.
The Core Idea
At its simplest, sex determination ethics examines whether it is morally right to use medical technology to find out whether an unborn baby is male or female, and then to act on that information — especially by aborting a fetus of the "unwanted" sex. The ethical problem is not about the technology itself (ultrasound, amniocentesis), but about what people do with that knowledge.
The NCERT textbook for Class 12 (Biology, Chapter 4: Reproductive Health) states this clearly: "Amniocentesis — a technique to determine the sex of the unborn child — is being misused to kill the female foetuses." The textbook calls this a "severe" misuse and links it directly to the declining child sex ratio in India.
Why Does This Become an Ethical Issue?
Three things make sex determination an ethical problem, not just a medical one:
- Discrimination against females. The practice is overwhelmingly used to abort female fetuses. This treats being female as a defect or a burden, which is a form of gender-based violence before birth.
- Social imbalance. When many more boys are born than girls, society faces a shortage of women. This leads to forced marriages, trafficking, and increased violence against women. The NCERT notes that the child sex ratio in India has dropped alarmingly — from 945 females per 1000 males in 1991 to 919 in 2011.
- Violation of the child's right to exist. The fetus is not given a chance to live simply because of its sex. This raises deep questions about equality and the value of every human life.
The Indian government made sex determination illegal under the Pre-Conception and Pre-Natal Diagnostic Techniques (PCPNDT) Act, 1994. This law bans doctors from telling parents the sex of the fetus, and bans any advertisement or test done solely for sex selection. Violation can lead to imprisonment and heavy fines.
The Everyday Intuition
Think of it this way: if you were told that your school would only admit boys next year, you would immediately see that as unfair. Sex determination ethics extends that same intuition to the womb. It asks: Is it fair to decide that a girl should not be born, simply because she is a girl?
The answer, from an ethical standpoint, is no. Every child — boy or girl — has equal moral worth. Using technology to eliminate an entire sex is a form of systematic discrimination that harms individuals and destabilises society.
Why It Matters for a Commerce/Humanities Student
You might think this is a "science topic," but it is deeply connected to what you study:
- Economics: A skewed sex ratio affects labour markets, marriage markets, and long-term economic growth. Fewer women mean fewer workers, consumers, and entrepreneurs.
- Political Science: Laws like the PCPNDT Act are examples of the state intervening to protect fundamental rights (right to life, right to equality). You can analyse how effective such laws are.
- Sociology: Sex determination reflects deep-rooted patriarchy, son preference, and dowry practices. It is a case study in how social norms shape — and are shaped by — technology.
- Ethics (if you study it): This is a classic dilemma: individual choice (parents wanting a son) versus social good (gender balance). Where do you draw the line?
A Few Key Points to Remember …
Chromosomal disorders of the foetus are detected by sampling and karyotyping the foetal cells present in the amniotic fluid. …
Amniocentesis draws amniotic fluid, and karyotyping of its foetal cells reveals chromosomal disorders such as Down syndrome.
Amniocentesis is a prenatal diagnostic technique in which a sample of amniotic fluid is withdrawn from the pregnant uterus. This fluid contains sloughed-off foetal cells. On culturing and karyotyping these cells, chromosomal abnormalities (e.g., trisomy 21/Down syndrome) and certain metabolic/genetic disorders can be identified.
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Showing the 12 most recent of 14 on this concept.
- CBSE 2026Set ANNUAL1 markQ.Define amniocentesis.
›Reveal solutionSolution
Amniocentesis is a prenatal diagnostic technique that analyses amniotic fluid to detect genetic disorders; misuse of the test for sex determination is illegal in India.
Amniocentesis is a prenatal diagnostic technique in which a small amount of amniotic fluid surrounding the developing foetus is withdrawn and analysed. Since the fluid contains foetal cells, karyotyping/biochemical analysis of this sample can reveal foetal sex (based on the sex chromosome pattern) as well as chromosomal and certain metabolic abnormalities. Because the technique was widely misused for female foeticide (sex-selective abortion), its use for sex determination is …
- CBSE 2025Set ANNUAL1 markQ.Read the following passage carefully and answer the questions given below- Scientist invent many techniques for the benefit of man. Methods of treatment of various diseases are discovered, but man starts misusing them for his selfishness, the result of which is very dreadful. For example : Amniocentesis is a technique through which the genetic defects and condition of the foetus or the baby growing in mother's womb can be detected. But greedy humans have started using this technique to identify gender. By finding out the sex, humans destroy the unwanted fetus by abortion. Especially in human society, the birth of a girl child is looked down upon and they are identified through this method and killed in the womb itself. This is called foeticide. This is an inhumane behaviour. It is clear from this that even goodness sometimes proves to be evil.(a) What is amniocentesis?
›Reveal solutionSolution
Amniocentesis is a prenatal test that analyses the amniotic fluid to detect genetic disorders in the foetus.
Amniocentesis is a foetal-testing technique in which a small sample of the amniotic fluid surrounding the developing foetus in the mother's womb is withdrawn (usually through a needle inserted into the amniotic sac) and analysed. Since this fluid contains foetal cells and biochemical substances, the technique is based on the analysis of foetal chromosome patterns (karyotyping) and can be used to detect genetic and chromosomal abnormalities and the physiological condition of the de …
- CBSE 2025Set ANNUAL1 markQ.(b) What is foeticide?
›Reveal solutionSolution
Foeticide is the deliberate destruction of a foetus in the womb, most commonly practiced against female foetuses following illegal sex determination.
Foeticide refers to the act of destroying/killing a foetus while it is still developing inside the mother's womb, usually carried out by inducing an abortion after the sex of the unborn child has been illegally determined (misusing techniques such as amniocentesis or ultrasound). In human society, due to deep-rooted gender bias against girls, this practice is most often directed against female foetuses and is therefore called female foeticide — an inhumane and illegal act …
- CBSE 2025Set ANNUAL1 markQ.(c) What was the basic purpose of amniocentesis?
›Reveal solutionSolution
Amniocentesis was originally designed purely as a diagnostic tool for genetic disorders, not as a means of foetal sex determination.
As stated in the passage, amniocentesis is a technique through which the genetic defects and the condition of the foetus growing in the mother's womb can be detected. Its basic/original purpose was purely medical and diagnostic — to identify genetic and chromosomal abnormalities (such as Down's syndrome) or developmental problems in the foetus early in pregnancy, so that appropriate medical guidance or intervention could be provided. It was never intended to be used for determining the sex o …
- CBSE 2025Set ANNUAL1 markQ.(d) How is foeticide related to sex ratio?
›Reveal solutionSolution
Because foeticide targets female foetuses specifically, it directly reduces the number of girls born, distorting the natural sex ratio.
As described in the passage, once the sex of the foetus is illegally identified using techniques such as amniocentesis, greedy and gender-biased individuals selectively abort the foetus if it is found to be female, since the birth of a girl child is often looked down upon in human society. This repeated, widespread selective elimination of female foetuses (female foeticide) directly reduces the number of girls born relative to boys in the population, thereby disturbing and skewing the natural male-to-female sex ratio — leading to a declining/adverse sex rat …
- CBSE 2025Set ZOOLOGY1 markMCQQ.Which of the following is the technique of determining chromosomal disorders of the developing human foetus?(i) Amniocentesis(ii) Ultrasonography(iii) CT scan(iv) X-ray
›Reveal solutionSolution
Amniocentesis draws amniotic fluid, and karyotyping of its foetal cells reveals chromosomal disorders such as Down syndrome.
Amniocentesis is a prenatal diagnostic technique in which a sample of amniotic fluid is withdrawn from the pregnant uterus. This fluid contains sloughed-off foetal cells. On culturing and karyotyping these cells, chromosomal abnormalities (e.g., trisomy 21/Down syndrome) and certain metabolic/genetic disorders can be identified.
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- CBSE 2024Set ANNUAL1 markQ.Name one disorder that can be detected by amniocentesis.
›Reveal solutionSolution
Amniocentesis, based on analysing the chromosome pattern of foetal cells in amniotic fluid, can detect chromosomal disorders such as Down's syndrome.
Amniocentesis is a technique in which a small amount of amniotic fluid surrounding the developing foetus (containing foetal cells) is withdrawn and analysed for the karyotype of the foetus, allowing prenatal diagnosis of foetal sex as well as chromosomal and genetic disorders. Down's syndrome (trisomy of chromosome 21), along with other chromosomal aneuploidies such as Klinefelter's syndrome (XXY) and Turner's syndrome (XO), can be detected this way. B …
- CBSE 2024Set ANNUAL1 markQ.What is amniocentesis ?
›Reveal solutionSolution
Amniocentesis is a foetal-fluid based genetic/chromosomal diagnostic test; using it to determine the sex of the foetus is now illegal in India.
Amniocentesis is a foetal sex determination and prenatal diagnostic technique based on the genetic/chromosomal analysis of the amniotic fluid surrounding a developing embryo. Because the sex chromosome complement of the foetus differs (XX in a female foetus, XY in a male foetus), analysis of the amniotic fluid (which contains foetal cells) could reveal the sex of the foetus as well as detect various genetic/metabolic disorders. However, this technique was widely misused to determine the sex of the foetus, resulting in female foeticide. It has therefore been legally banned in India (under the PNDT/PCPNDT Ac …
- CBSE 2023Set ANNUAL1 markMCQQ.Which of the following is tested by amniocentesis?(a) Genetic disorder(b) Sex determination(c) Health of embryo(d) All of these
›Reveal solutionSolution
Amniocentesis analyses foetal cells shed into the amniotic fluid, and from the chromosomal pattern it can reveal genetic disorders, the sex of the foetus, and other indicators of foetal health — which is why it can be misused, and is legally restricted, for sex determination.
Amniocentesis is a prenatal diagnostic technique in which a small sample of amniotic fluid (containing foetal cells) is withdrawn and analysed. Chromosomal analysis of these cells can detect numerical or structural chromosomal abnormalities (like Down's syndrome), can reveal the sex of the foetus (based on the sex chromosome pattern), and biochemical/genetic analysis can indi …
- CBSE 2023Set ANNUAL1 markMCQQ.Amniocentesis is a process(a) for knowing a brain disease(b) for determining a genetic disorder in the foetus(c) for determining a disease in the heart(d) both(a) and (c)
›Reveal solutionSolution
Amniocentesis detects genetic/chromosomal disorders in the foetus.
Amniocentesis is a prenatal diagnostic technique in which a sample of amniotic fluid (containing sloughed foetal cells) is withdrawn and analysed to detect chromosomal abnormalities (e.g. Down syndrome) and certain genetic/metabolic disorders. Because it can also reveal the sex of the foetus, it is often misused for sex determinati …
- CBSE 2022Set ANNUAL1 markMCQQ.Amniocentesis analyzes(a) the amnion(b) the amino acids of protein(c) the amniotic fluid(d) both (A) and (B)
›Reveal solutionSolution
Amniocentesis analyses amniotic fluid, so the answer is (C).
Amniocentesis is a prenatal diagnostic technique in which a small sample of amniotic fluid is withdrawn from the pregnant uterus. This fluid contains sloughed-off foetal cells and chemicals, which are analysed to detect chromosomal abnormalities (e.g. Down syndrome), metabolic disorders and the sex of the foetus. …
- CBSE 2020Set ANNUAL1 markMCQQ.The prenatal technique to determine the genetic disorders in a foetus is called(a) laparoscopy(b) amniocentesis(c) otoscopy(d) cystoscopy
›Reveal solutionSolution
Amniocentesis samples amniotic fluid to karyotype foetal cells and detect chromosomal/genetic disorders prenatally.
Amniocentesis is a prenatal diagnostic technique in which a small amount of amniotic fluid — which surrounds the developing foetus in the uterus and contains cells shed from the foetus — is withdrawn using a fine needle inserted through the abdominal wall into the amniotic sac, typically performed around the 15th to 20th week of pregnancy. The foetal cells present in the sample are cultured and their chromosomes analysed (karyotyping), along with biochemical tests on the fluid, allowing detection of chromosomal abnormalities (such as Down's syndrome), certain genetic/metabolic disorders, and neural tube defects in the developing foetus.
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