The scientists who rediscovered the Mendel's laws are
Mast and Pantin
Watson and Crick
Corren, Tschermark and Hugo de Vries
Khorana and Nirenberg
- Klinefelter's syndrome is developed when the chromosome in male is
- The segment of DNA which participates in crossing over is known as
- A colour-blind man marries the daughter of a colour-blind person. In their progeny
- In a monohybrid cross the Fi ratio of a backcross is
- The genetic constitution of an organism is known as
- Colour blindness is caused due to
- The chromosomal theroy of heredity implies that
- Which one of the following chemical characteristics is not common to all living beings ?
- Transfer of a gene or genes through a virus is called
- Reverse transcription was discovered by
- Exhibition of superiority by a hybrid over both of its parents is called
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
- Diakinesis is characterised by
- When two genes are situated very close to each other in a chromosome
- The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
- Mutations which are not dominant are not lost by a gene pooL This is known as
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- Dyad is
- A child is bom with an extra chromosome in each of its cells. This is usually the result of
- A codon is a sequence of 3 nucleolides on
- The term 'meiosis' was coined bv
- Down's syndrome is an example of
- A chemical mutagen is
- Base substitutions from base analogues I are called
- A giant chromosome having many chromo-nemata lying side by side all along their length is called
- Which disease results from the genetic inability to synthesize a single enzyme ?
- Lethal genes are those which
- Chromosomes exhibit minimum coiling during
- Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…