DNA Replication is ________________.
Conservative and discontinuous
Semi conservative and semi discontinuous
semi - conservative and discontinuous
Conservative
The codons causing cahain termination are __________________.
TAG, TAA, TGA
GAT, AAT, AGT
AGT, TAG, UGA
UAA, UAG, UGA
One gene one enzyme hypothesis was postulated by _____________.
R Franklin
Hershey and Chase
A Garrod
Beadle and Tatum
Phenotype of an organism is the result of _________________.
mutations and linkage
cytoplasmic effects and mutation
environmental changes and sexual dimorphism
genotype and environmental interactions
A man and a woman who do not show any apparent signs of diseases.They have 7 children (2 daughters and 5 sons). Three of the sons suffer from a genetic disease.The daughters are not affected. Which of the following mode of inheritance do you suggest for this disease?
Autosomal dominant
Sex linked dominant
sex linked recessive
Sex - linked recessive
A human male produces sperms with the genotype AB, Ab ab and ab pertaining to two diallelic characters in equal proportions. What is the corresponding genotypeof thisperson?
AaBb
AaBB
AABb
AABB
A common test to find the genotype of a hybrid is by ______________.s
crossing of one F2 progeny with male parent
crossing of one F2 progeny with female parent
studying the sexual behaviour of F1 progenies
crossing of one F1 progeny with male parent
Differentiation of organs and tissues in a developing organisms is associated with ______________.
developmental mutations
differential expression of genes
lethal mutations
deletion of genes
Loss of an X chromosomes in a particular cell during its development results into ________________.
diploid individual
triploid individual
gynandromorphas
both (a) and (b)
Haploids are able to express both recessive and dominant alleles / mutations because there are ____________.
many alleles for each gene
two alleles for each gene
only one allele for each gene in the individuals
only one allele in a gene
