1. The diploid cell that results when an egg and a sperm combine is called a __________.
A. zygote
B. gamete
C. bud
D. chromatid
4. A codon codes for a(n)
A. mRNA
B. nucleotide
C. amino acid
D. nucleic acid
2. How many total chromosomes are in a diploid human cell?
A.18
B. 23
C. 42
D. 46
5. (True or False) Sickle cell anemia is caused by a mutation that results in the production of abnormal hemoglobin.
A. True
B. False
3. In DNA, adenine pairs with.
A. guanine
B. cytosine
C. uracil
D. thymine
6. (True or False) The process of forming RNA from DNA is called translation.
A. True
B. False