A colour-blind man marries the daughter of a colour-blind person. In their progeny
none of her daughters are colour-blind
all her sons are colour-blind
all her daughters are colour-blind
half of her sons are colour-blind
- Dyad is
- Base substitutions from base analogues I are called
- The term 'meiosis' was coined bv
- The first person to induce mutations was
- The scientists who rediscovered the Mendel's laws are
- In a monohybrid cross the Fi ratio of a backcross is
- When two genes are situated very close to each other in a chromosome
- Among the following which is a test cross?
- Klinefelter's syndrome is developed when the chromosome in male is
- A chemical mutagen is
- The best method to determine whether an individual is homozygous or heterozygous is
- Crossing over in meiosis occurs in
- 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
- Chromosomes exhibit minimum coiling during
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- If an individual does not breed true for its characters, it is called
- Transfer of a gene or genes through a virus is called
- A colour-blind man marries the daughter of a colour-blind person. In their progeny
- The condition in which only one allele of a pair is present is known as
- Lethal genes are those which
- The segment of DNA which participates in crossing over is known as
- 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 ?
- Colour blindness is caused due to
- Exhibition of superiority by a hybrid over both of its parents is called
- An offspring of two homozygous parents different from one another by alleles at only one gene locus…
- Linkage is
- Reverse transcription was discovered by
- DNA duplication occurs in