A person meets with an accident and great loss of blood has occurred. There is no time to analyse his blood group. It is safe to transfuse blood of
- Reverse transcription was discovered by
- A child is bom with an extra chromosome in each of its cells. This is usually the result of
- The scientists who rediscovered the Mendel's laws are
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- Linked genes may be separated by the process of
- A giant chromosome having many chromo-nemata lying side by side all along their length is called
- The condition in which only one allele of a pair is present is known as
- Transfer of a gene or genes through a virus is called
- The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
- The number of characters investigated by Mendel was
- The genetic constitution of an organism is known as
- Down's syndrome is an example of
- Klinefelter's syndrome is developed when the chromosome in male is
- DNA duplication occurs in
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- Colour blindness is caused due to
- When is the sex of an offspring decided
- The first person to induce mutations was
- Albinism in com plants is best described as
- A codon is a sequence of 3 nucleolides on
- The science dealing with study of inheritance and variation is
- Lethal genes are those which
- Crossing over in meiosis occurs in
- How many meiosis will be required to produce 102 pollen-grains ?
- A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
- In a monohybrid cross the Fi ratio of a backcross is
- Among the following which is a test cross?
- Exhibition of superiority by a hybrid over both of its parents is called
- A colour-blind man marries the daughter of a colour-blind person. In their progeny
- Diakinesis is characterised by