DNA duplication occurs in
meiosis only
meiosis II and mitosis
mitosis only
meiosis I and mitosis
- DNA duplication occurs in
- A colour-blind man marries the daughter of a colour-blind person. In their progeny
- The term 'meiosis' was coined bv
- Down's syndrome is an example of
- Albinism in com plants is best described as
- How many meiosis will be required to produce 102 pollen-grains ?
- The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
- A codon is a sequence of 3 nucleolides on
- In humans, an example of sex-linked trait is
- Colour blindness is caused due to
- Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
- The scientists who rediscovered the Mendel's laws are
- The number of characters investigated by Mendel was
- Among the following which is a test cross?
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- Reverse transcription was discovered by
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- When is the sex of an offspring decided
- Crossing over in meiosis occurs in
- A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
- A chemical mutagen is
- The science dealing with study of inheritance and variation is
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- Chromosomes exhibit minimum coiling during
- Transfer of a gene or genes through a virus is called
- Diakinesis is characterised by
- When two genes are situated very close to each other in a chromosome
- In a monohybrid cross the Fi ratio of a backcross is
- The genetic constitution of an organism is known as
- The best method to determine whether an individual is homozygous or heterozygous is