The various forms of gene responsible for the some trait are called…………
a) centromere
b) character
c) trait
d) allele
Natural selection operates to produce changes in……………..
a) individuals
b) populations
c) races
d) phyla
How many different types of gametes will be produced by a plant having a genotype AaBb
a) three
b) four
c) six
d) eight
Speciation is the evolutionary process by which
a) a new gene pool is formed
b) evolutionary path of a species converge
c) hybrid species is formed
d) show differences in physical trait
Phenotype is the expression of…………………
a) genetic makeup
b) physical makeup
c) chemical composition
d) metabolism
The round structure formed when DNA coils around the histone proteins
a) centromere
b) chiasma
c) nucleosome
d) chromatin