DNA profiling can be used to
Answer and explanation
Correct answer: D. show whether two people are biologically related
- Step 1: Comparing DNA band patterns shows shared inheritance, as in paternity tests.
Answer
show whether two people are biologically related.
Why not the others: find out the blood group of a person: blood group is determined by a blood test, not by profiling. measure how fast a person's cells divide: profiling does not measure cell division. cure inherited diseases: profiling identifies patterns; it does not treat disease.
Practise more Human systems: endocrine, nervous and reproduction.
Free questions with an explanation for every one, and full timed South Africa Matric mock tests.
More Human systems: endocrine, nervous and reproduction questions
- Which gland is often called the 'master gland' of the endocrine system?
- Antidiuretic hormone (ADH) helps to regulate the water balance of the blood by
- A negative feedback mechanism
- On a hot day, the blood vessels in the skin of a healthy person
- Which sequence correctly shows the path of a nerve impulse in a reflex arc?
- In bright light, the pupil of the eye