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
- The science dealing with study of inheritance and variation is
- In humans, an example of sex-linked trait is
- Base substitutions from base analogues I are called
- The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
- Which one of the following chemical characteristics is not common to all living beings ?
- A giant chromosome having many chromo-nemata lying side by side all along their length is called
- Diakinesis is characterised by
- The genetic constitution of an organism is known as
- Linked genes may be separated by the process of
- Dyad is
- Among the following which is a test cross?
- The best method to determine whether an individual is homozygous or heterozygous is
- The segment of DNA which participates in crossing over is known as
- If an individual does not breed true for its characters, it is called
- Colour blindness is caused due to
- Reverse transcription was discovered by
- Linkage is
- The first person to induce mutations was
- The chromosomal theroy of heredity implies that
- In a monohybrid cross the Fi ratio of a backcross is
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- A child is bom with an extra chromosome in each of its cells. This is usually the result of
- Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
- The scientists who rediscovered the Mendel's laws are
- Crossing over in meiosis occurs in
- Chromosomes exhibit minimum coiling during
- The number of characters investigated by Mendel was
- Down's syndrome is an example of
- DNA duplication occurs in
- How many meiosis will be required to produce 102 pollen-grains ?