According to the law of dominance, different characters are controlled by factors which occur in………..
a) single form
b) pair
c) triplets
d) quadruplets
Explanation: of these factor one dominates other
Law of segregation is also known as……
a) law of dominance
b) law of purity
c) law of unity
d) law of independent assortment
Explanation: Law of segregation states that during gamete formation, the alleles for each gene segregate from each other so that each gamete carries only one allele for each gene
According to law of segregation, the alleles segregate during………
a) fertilization
b) gametogenesis
c) pollination
d) all of these
Explanation: one sperm and ovum receive half set of chromosomes during gametogenesis
A single ovum of human being contains
a) Y-chromosome
b) X-chromosome
c) XX- chromosomes
d) either X or Y chromosome
A single sperm of human being contains
a) Y-chromosome
b) X-chromosome
c) XY- chromosomes
d) either X or Y chromosome
A dihybrid cross describes a mating between two organisms that are different for ……..trait/s.
a) two
b) one
c) three
d) many
