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
- How many meiosis will be required to produce 102 pollen-grains ?
- The science dealing with study of inheritance and variation is
- Diakinesis is characterised by
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- Crossing over in meiosis occurs in
- A giant chromosome having many chromo-nemata lying side by side all along their length is called
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- Which one of the following chemical characteristics is not common to all living beings ?
- The condition in which only one allele of a pair is present is known as
- The nuclear membrane completely disappears during
- When is the sex of an offspring decided
- A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
- Base substitutions from base analogues I are called
- Albinism in com plants is best described as
- Linkage is
- The segment of DNA which participates in crossing over is known as
- The chromosomal theroy of heredity implies that
- Among the following which is a test cross?
- Colour blindness is caused due to
- In humans, an example of sex-linked trait is
- Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
- Down's syndrome is an example of
- Chromosomes exhibit minimum coiling during
- A child is bom with an extra chromosome in each of its cells. This is usually the result of
- DNA duplication occurs in
- Mutations which are not dominant are not lost by a gene pooL This is known as
- Dyad is
- When two genes are situated very close to each other in a chromosome
- The first person to induce mutations was
- A codon is a sequence of 3 nucleolides on