The codons causing cahain termination are __________________.
TAG, TAA, TGA
GAT, AAT, AGT
AGT, TAG, UGA
UAA, UAG, UGA
The formation of multivalents at meiosis in diploid organism is due to ________________.
monosomy
inversion
deletion
reciprocal translocation
Telomere repetitive DNA sequnences control the function of eukaryotic chromosomes because they______________.
act as replication
are RNA transcription intiatior
help chromosomes pairing
prevent chromsosomes loss
A mutation at one base of the first codon of a gene produceers a non - functional protein. Such a mutation is reffered is called ________________.
frameshift mutation
missence mutation
non - sense mutation
reverse mutation
Two gens R AND Y are located very close on the chromosomal linkages map of maize plant. When RRYY and rryy genotypes are hybridized then F2 segregation will show _____________.
higher number of the recombination types
segregation in the genotypes are hybridized then F2 segregation will show
Segregation in 3 : 1 ratio
higher number of the parental types
According to IUCN red list, what is the status of red panda (Athurus flugens) ?
Vulnerable species
Critically endangered species
Extinct species
Endangered species
The okazaki fragements in DNA chain growth ______________.
result in transcription
polymerase in teh 3' to 5' direction and forms replication fork
prove semi -consevative nature of DNA replication
polymerize in the 5' to 3' direction and explain 3' to 5' DNA replication
The mutations are mainly responsible for ___________________.
constancy in organisms
varaition in organisms
increasing the population rate
maintaining genetic continuity
In a plant red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If plant with RRTt genotype is crossed with a plant that is rrtt ______________.
25% will be tall with red fruit
50% will be tall with red fruit
75% will be tall with red fruit
All of the ten off springs will be tall with red fruit
Acetabularia used in Hammerlinig's nucleocytoplasmic experiments is ______________.
unicellular fungus
multicellular fungus
unicellular green alga
unicellular multcellular green alga
