When is the sex of an offspring decided
At ovulation
During meiosis
During cleavage
At fertilization
- The best method to determine whether an individual is homozygous or heterozygous is
- The nuclear membrane completely disappears during
- The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- Albinism in com plants is best described as
- Klinefelter's syndrome is developed when the chromosome in male is
- In humans, an example of sex-linked trait is
- Mutations which are not dominant are not lost by a gene pooL This is known as
- Linked genes may be separated by the process of
- The term 'meiosis' was coined bv
- The chromosomal theroy of heredity implies that
- A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- Linkage is
- A colour-blind man marries the daughter of a colour-blind person. In their progeny
- Diakinesis is characterised by
- Transfer of a gene or genes through a virus is called
- Base substitutions from base analogues I are called
- Which disease results from the genetic inability to synthesize a single enzyme ?
- The science dealing with study of inheritance and variation is
- The condition in which only one allele of a pair is present is known as
- The genetic constitution of an organism is known as
- Chromosomes exhibit minimum coiling during
- A giant chromosome having many chromo-nemata lying side by side all along their length is called
- Dyad is
- A codon is a sequence of 3 nucleolides on
- When two genes are situated very close to each other in a chromosome
- Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
- The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
- Colour blindness is caused due to