Among the following which is a test cross?
TtxTt
TTxTT
TTxTt
Ttxtt
- The chromosomal theroy of heredity implies that
- A colour-blind man marries the daughter of a colour-blind person. In their progeny
- The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
- Albinism in com plants is best described as
- Linkage is
- Which disease results from the genetic inability to synthesize a single enzyme ?
- Down's syndrome is an example of
- A codon is a sequence of 3 nucleolides on
- Mutations which are not dominant are not lost by a gene pooL This is known as
- The first person to induce mutations was
- If an individual does not breed true for its characters, it is called
- A chemical mutagen is
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- Linked genes may be separated by the process of
- The number of characters investigated by Mendel was
- The scientists who rediscovered the Mendel's laws are
- Among the following which is a test cross?
- Colour blindness is caused due to
- Reverse transcription was discovered by
- An offspring of two homozygous parents different from one another by alleles at only one gene locus…
- Chromosomes exhibit minimum coiling during
- The term 'meiosis' was coined bv
- Klinefelter's syndrome is developed when the chromosome in male is
- Lethal genes are those which
- 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
- In a monohybrid cross the Fi ratio of a backcross is
- Exhibition of superiority by a hybrid over both of its parents is called
- When two genes are situated very close to each other in a chromosome
- Diakinesis is characterised by