A. Similar triplet codes for amino acids

B. Energy is stored by high energy rich phosphate bonds

C. Types of protein present in the body.

D. Ribosomes act at sites of protein synthesis

A. inhibiting transcription of m-RNA

B. inactivating enzymes in the reaction

C. inhibiting the substrate in the reaction

D. inhibiting the migration of m-RNA into cytoplasm

A. 1:1

B. 3:1

C. 1:2:1

D. 9:3:3:3

A. Similar triplet codes for amino acids

B. Energy is stored by high energy rich phosphate bonds

C. Types of protein present in the body.

D. Ribosomes act at sites of protein synthesis

A. XXY

B. XXXY

C. XXYY

D. All of these

A. Watson

B. Crick

C. Temin

D. Porter

A. late prophase

B. early metaphase

C. metaphase

D. interphase

A. cause the death of the organism in which they are present

B. cause the death of the homozygous infant being formed

C. cause the death of heterozygous infant being formed

D. all of the above

A. Herting and Van Beneden

B. Sutton and Boveri

C. Hofmeister and Waldeyer

D. Farmer and Moore

A. nondisjunction

B. crossing over

C. segregation

D. hybridization

A. monosomy

B. trisomy

C. triploidy

D. polyploidy

A. the percentage of crossing over between themis high

B. hardly any cross-overs detected

C. no crossing-over can ever take place between them

D. only double cross overs can take place between them.

A. crossing over

B. synapse

C. chiasmata

D. terminalization

A. Diabetes

B. Phenylketonuria

C. Colour-blindness

D. Down's syndrome

A. fission

B. budding

C. asexual means

D. sexual means

A. Mast and Pantin

B. Watson and Crick

C. Corren, Tschermark and Hugo de Vries

D. Khorana and Nirenberg

A. $AB, R{H}^{+}$

B. $AB, R{H}^{-}$

C. $O, R{H}^{-}$

D. $O, R{H}^{+}$

A. directly related to crossing over

B. same as translocation

C. inversely related to crossing over

D. opposite to segregation

A. Hugo de Vries

B. T.H. Morgan

C. Sturtevant

D. H.J. Muller

A. Genetics

B. Evolution

C. Morphology

D. Cytology

A. none of her daughters are colour-blind

B. all her sons are colour-blind

C. all her daughters are colour-blind

D. half of her sons are colour-blind

A. monohybrid

B. dihybrid

C. trihybrid

D. backcross

A. transitions

B. transversions

C. intragenic complimentation

D. intergenic complimentation

A. prophase

B. metaphase

C. interphase

D. telophase

A. 25

B. 25.6

C. 26

D. 26.5

A. four

B. seven

C. six

D. one

A. megachromosome

B. heterosome

C. polytene chromosome

D. super numerary chromosome

A. chromosomes are composed of DNA and protein

B. genes are composed of chromosomes

C. organism cannot live withoutchromosomes

D. genes are located on the chromosomes and are transmitted to the next generation through them.

A. lethal

B. sex-linked

C. inbred

D. dominance

A. Genome

B. Genepool

C. Genotype

D. Phenotype

A. deficiency of vitamic C

B. sex-linked abnormality

C. absence of rods in retina

D. absence of visual purple in retina