Multiple Choice
The evolution of multicellularity in animals has primarily occurred by
A) changing how existing genes are used.
B) deleting many old genes.
C) producing many new genes.
D) deleting many old chromosomes.
Correct Answer:

Verified
Correct Answer:
Verified
Q9: A crucial photosynthetic gene of the cyanobacterium
Q41: When diatoms die,their shells fall to the
Q42: A snail-like,coiled,porous test (shell)of calcium carbonate is
Q43: The closest living relative of P.chromatophora is
Q45: The life cycle of the malarial parasite,Plasmodium,includes<br>A)haploid
Q46: Which of the following is the most
Q47: Comparisons of choanoflagellate and animal genome sequences
Q49: You are given four test tubes,each containing
Q51: Giardia's mitosome can be said to be
Q67: Which pair of alternatives is highlighted by