A chemical mutagen is
X-rays
UV-rays
-rays
5-Bromo-Uracil
- The nuclear membrane completely disappears during
- Transfer of a gene or genes through a virus is called
- Reverse transcription was discovered by
- The first person to induce mutations was
- The term 'meiosis' was coined bv
- The condition in which only one allele of a pair is present is known as
- The genetic constitution of an organism is known as
- Base substitutions from base analogues I are called
- The science dealing with study of inheritance and variation is
- Which disease results from the genetic inability to synthesize a single enzyme ?
- Exhibition of superiority by a hybrid over both of its parents is called
- Lethal genes are those which
- Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
- 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
- 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
- DNA duplication occurs in
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- Among the following which is a test cross?
- When is the sex of an offspring decided
- In humans, an example of sex-linked trait is
- A colour-blind man marries the daughter of a colour-blind person. In their progeny
- Linked genes may be separated by the process of
- Colour blindness is caused due to
- Down's syndrome is an example of
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
- Dyad is
- Albinism in com plants is best described as