Among the following which is a test cross?
TtxTt
TTxTT
TTxTt
Ttxtt
- The condition in which only one allele of a pair is present is known as
- 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
- In a monohybrid cross the Fi ratio of a backcross is
- The chromosomal theroy of heredity implies that
- Transfer of a gene or genes through a virus is called
- Mutations which are not dominant are not lost by a gene pooL This is known as
- 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 functional unit of a gene which specifies synthesis of one poly-peptide is known as
- The segment of DNA which participates in crossing over is known as
- The term 'meiosis' was coined bv
- Lethal genes are those which
- The nuclear membrane completely disappears during
- Chromosomes exhibit minimum coiling during
- Crossing over in meiosis occurs in
- The science dealing with study of inheritance and variation is
- An offspring of two homozygous parents different from one another by alleles at only one gene locus…
- Reverse transcription was discovered by
- Klinefelter's syndrome is developed when the chromosome in male is
- The first person to induce mutations was
- Down's syndrome is an example of
- The genetic constitution of an organism is known as
- The number of characters investigated by Mendel was
- DNA duplication occurs in
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- A colour-blind man marries the daughter of a colour-blind person. In their progeny
- Base substitutions from base analogues I are called