The formation of multivalents at meiosis in diploid organism is due to ________________.
monosomy
inversion
deletion
reciprocal translocation
Loss of an X chromosomes in a particular cell during its development results into ________________.
diploid individual
triploid individual
gynandromorphas
both (a) and (b)
In Mendel's experiment with green pea, round seed shape (RR) was dominant over wrinkled seeds (rr) yellow cotyledon (YY) was dominant over green cotyledon (yy) what are the expected phenotypes in the F1 generation of the cross RRYY x rryy ?
Only round seeds with green cotyledons
Only wrinkled seeds with yellow cotyledons
Round seeds with yellow cotyledons and wrinkled seeds with yellow cotyledons
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
The RNA that picks up specific amino acid from amino acid pool in the cytoplasm to ribosome during protein synthesis is called __________________.
mRNA
tRNA
rRNA
RNA
The cross between pure tall pea plant with green pods and dwarf pea plant with yellow pods will produce dwarf F2 plant out of 16 ________________.
9
3
4
1
One gene one enzyme hypothesis was postulated by _____________.
R Franklin
Hershey and Chase
A Garrod
Beadle and Tatum
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
Mutations used in agriculture are commonly _______________.
induced
spontaneous
lethal
recessive and lethal
Telomerase is an enzyme which is a ________________.
repetitive DNA
simple protein
ribonucleoprotein