Biology questions
20584 published questions with worked solutions.
- Which one of the following pairs of sex chromosomes determine the female characters in humans?
- In man, which is the method of sex determination?
- Which chromosome set is present in male bird?
- In humans, the sex chromosome complement is
- Females are heterogametic among
- Human sperm is
- The chromosomal mechanism of sex determination is also known as
- The disease caused due to the quantitative abnormality of polypeptide chain of globin chain synthesis is
- Haemoglobin is a _________ protein
- Human syndrome with short stature, mental retardation, small skull, palate arched are the characters of
- Spermatogenesis is absent in a person suffering from
- A person suffering from Down's syndrome shows
- Down's syndrome is due to
- Genetic constitution of Klinefelter's syndrome is
- Which of the following are sex-linked disorders?
- A person suffering from Turner's syndrome has
- 'Down's syndrome is due to extra chromosome from
- In human beings, sex is determined by
- Nucleus of bacteria is called
- Of both normal parents, the chances of a male child becoming colourblind is