Which of the following is/are absent in prokaryotic genes?
a) exons
b) introns
c) both a and b
d) none of these
In prokaryotes, many adjacent structural genes that synthesize different polypeptides are regulated by………
a) exons
b) introns
c) terminator
d) operon
Explanation: operon is same promoter and terminator region in prokaryotic genes
Chromosome Theory of Inheritance:
Who for the first time put forward the chromosome theory of inheritance but had no supportive evidence?
a) Karl Correns
b) Walter Sutton
c) Theodor Boveri
d) T. H. Morgan
The actual credit of chromosome theory of inheritance goes………on the basis of evidence.
a) Karl Correns
b) Walter Sutton
c) Theodor Boveri
d) both b and c
Explanation: both had independently recognized that the behavior of Mendel’s factors (genes) is parallel to the behavior of chromosome at meiosis
Diploid cells (before meiosis) have…….copy/ies of each homologous chromosome/s?
a) two
b) two
c) four
d) five
Explanation: e.g. pea plant cells have 7 pairs of homologous chromosomes
