MCQ
Most studies on human genetics have been made through:
- AGenetic engineering
- BEugenics
- CMicroscopic study of chromosomes
- DPedigree charts
Explanation:
A pedigree chart is a diagram that shows the occurrence and appearance or phenotypes of a particular gene or organism and its ancestors from one generation to the next, most commonly humans, show dogs and race horses.

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$I.$ Cancer can be detected by the use of antibodies against cancer specific antigens for certain type of cancer
$II.$ The tumor cells are surgically removed to reduce the load of cancerous cells
$III.$ Certain chemotherapeutic drugs are used to kill the cancerous cells, but majority of the drugs have side effects like hair loss, anaemia, etc.