Q.11 The structures which are reduced during the course of evolution and have no apparent function
are called:
A) Regenerated organs C) Saltatory organs
B) Vestigial organs D) Useless organs
Q.12 When a gene suppresses the effect of another gene at another locus the phenomenon is termed
as:
A) Over dominance C) Epistasis
B) Pleiotropy D) Co-dominance
Q.13 Phenylketonuria is an example of:
A) Polyploidy C) Inversion
B) Transmutation D) Point mutation
Q.14 A situation in which one gene affects two or more unrelated characters is called:
A) Epistasis C) Dominance relation
B) Pleiotropy D) Polygenes
Q.15 The mutation which causes change in the sequence of DNA is called:
A) Point mutation C) Deletion
B) Chromosomal mutation D) Inversion