Biology questions
20584 published questions with worked solutions.
- Which one of the following conditions correctly describes the manner of determining the sex in the given example?
- Sex chromosomes of female bird are represented by
- Which of the following symbols are used for representing chromosome of birds?
- When an animal has both the characters of male and female, it is called
- Human female possesses 44 + XX chromosomes. The secondary oocyte shall have
- Which one of the following does not indicate the presence of chromosomal disorder?
- Absence of one sex chromosome causes
- The gene of sickle-cell anaemia is inherited by
- A hereditary disease, which is never passed on from father to son is
- More men suffer from colorblindness than women because
- Match the following columns. Column I – Column II A. XX-XO type – 1. Pigeon B. ZO-ZZ type – 2. Ant C. XX-XY type – 3. Grasshopper...
- Father of 'genetics' is
- Mendel's experimental material was
- Mendel's findings were rediscovered by
- If the genotype of an individual consists of only one type of genes at same locus. It is called
- The types of gametes produced by a heterozygous allelic pair is/are
- Mendel obtained recessive character in F_2by __A__ the __B__ plants. Here A and B refers to
- Unit of inheritance that is required to express a particular trait of organism is called
- Mendel performed test cross to know the
- The factors which expresses only in homozygous condition is