Contents

The various forms of gene responsible for the some trait are called…………
a) centromere                      
b) character
c) trait                                   
d) allele


d

Natural selection operates to produce changes in……………..
a) individuals                     
b) populations
c) races                                 
d) phyla


a

How many different types of gametes will be produced by a plant having a genotype AaBb
a) three
b) four                  
c) six      
d) eight

b

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


a

Phenotype is the expression of…………………
a) genetic makeup                              
b) 
physical makeup
c) chemical composition   
d) metabolism


b

The round structure formed when DNA coils around the histone proteins
a) centromere                      
b) chiasma
c) nucleosome                     
d) chromatin


c