How many meiosis will be required to produce 102 pollen-grains ?
25
25.6
26
26.5
- The science dealing with study of inheritance and variation is
- 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 chemical mutagen is
- In humans, an example of sex-linked trait is
- The first person to induce mutations was
- The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
- Linked genes may be separated by the process of
- The genetic constitution of an organism is known as
- The scientists who rediscovered the Mendel's laws are
- Lethal genes are those which
- The segment of DNA which participates in crossing over is known as
- Reverse transcription was discovered by
- Diakinesis is characterised by
- A codon is a sequence of 3 nucleolides on
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- Chromosomes exhibit minimum coiling during
- Which one of the following chemical characteristics is not common to all living beings ?
- A giant chromosome having many chromo-nemata lying side by side all along their length is called
- A colour-blind man marries the daughter of a colour-blind person. In their progeny
- The term 'meiosis' was coined bv
- Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
- Albinism in com plants is best described as
- Which disease results from the genetic inability to synthesize a single enzyme ?
- The best method to determine whether an individual is homozygous or heterozygous is
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- Base substitutions from base analogues I are called
- The nuclear membrane completely disappears during
- The chromosomal theroy of heredity implies that