The concept of mapping genes on chromosomes was developed by ____ when he was an
undergraduate student.
a. Watson
b. Sturtevant
c. Morgan
d. Mendel
e. Crick
B
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The evolutionary relationship amongst different animals species has been identified using:
A. DNA analysis B. Embryological features C. Developmental patterns D. Adult body forms E. More than one above
Identify the correct steps for cloning a gene of interest, then arrange them in the correct order
1. Transform the bacteria. 2. Incubate the DNA fragments and cut cloning vector with DNA ligase. 3. Use restriction enzymes to cut the gene of interest and the cloning vector. 4. Spread bacteria on medium containing lactose and ampicillin. 5. Spread bacteria on medium containing X-gal and ampicillin.
a. 4, 3, 1, 5 b. 3, 2, 5, 1 c. 3, 2, 1, 5 d. 2, 3, 1, 5 e. 3, 2, 1, 4
Life began on Earth as multicellular
a. True b. False Indicate whether the statement is true or false
Plants’ genes are found in ____
a. nuclear DNA b. mitochondrial and nuclear DNA c. mitochondrial, chloroplast, and nuclear DNA d. chloroplast and nuclear DNA e. mitochondrial and chloroplast DNA