Four of the following describe a bilaterally symmetrical animal. Which one is the exception?
a. It has left and right sides.
b. It usually displays cephalization.
c. It produces mirror images regardless of the number of "cuts" through the central axis.
d. It usually has a three layer body plan.
e. It can be a deuterostome.
Answer: c. It produces mirror images regardless of the number of "cuts" through the central axis.
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mitochondria for the generation of energy.
Indicate whether the statement is true or false.Historically, inheritance of _____ was used to study the genome organization, as well as biological processes such as
metabolism and development. a. chromosomal abnormalities b. blood types c. SNPs in humans and lab animals d. induced mutations in humans e. induced and spontaneous mutations in lab animals
Which of the following are involved with tumor suppression?
a. oncogenes b. tumor suppressor genes c. DNA repair genes d. both tumor suppressor genes and DNA repair genes
The basic method of DNA sequencing is the Sanger method
a. True b. False