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
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- In humans, an example of sex-linked trait is
- An offspring of two homozygous parents different from one another by alleles at only one gene locus…
- Klinefelter's syndrome is developed when the chromosome in male is
- Lethal genes are those which
- The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
- The nuclear membrane completely disappears during
- The condition in which only one allele of a pair is present is known as
- A colour-blind man marries the daughter of a colour-blind person. In their progeny
- A giant chromosome having many chromo-nemata lying side by side all along their length is called
- The segment of DNA which participates in crossing over is known as
- Among the following which is a test cross?
- The scientists who rediscovered the Mendel's laws are
- Transfer of a gene or genes through a virus is called
- A chemical mutagen is
- The genetic constitution of an organism is known as
- Dyad is
- Crossing over in meiosis occurs in
- Albinism in com plants is best described as
- Down's syndrome is an example of
- DNA duplication occurs in
- Linkage is
- Diakinesis is characterised by
- When two genes are situated very close to each other in a chromosome
- Chromosomes exhibit minimum coiling during
- Linked genes may be separated by the process of
- Mutations which are not dominant are not lost by a gene pooL This is known as
- If an individual does not breed true for its characters, it is called