Multiple Choice
According to the current working draft of the human genome,which of the following statements is(are) correct?
I.The human genome contains at least 100,000 genes.
II.One gene can code for several different proteins.
III.Approximately 50% of the genome is "junk" DNA.
IV.At least 200 human genes are identical to genes of bacteria.
A) None of the statements is correct.
B) All of the statements are correct.
C) I,II,and IV are correct.
D) II,III,and IV are correct.
E) I,III,and IV are correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q21: Chemicals that cause mutations are called<br>A)mutagens.<br>B)mutation.<br>C)genetic inhibitor.<br>D)genetic
Q22: A mutation is<br>A)an error in base sequence
Q23: The portion of a DNA molecule that
Q24: The statement "Single-nucleotide polymorphisms are not as
Q25: A promoter sequence is<br>A)a DNA sequence that
Q27: A mutation involves an error in<br>A)mRNA manufacture.<br>B)translation.<br>C)tRNA
Q28: An alteration of the gentic material of
Q29: Discuss the importance of telomeres in cell
Q30: When the new strand of DNA is
Q31: Explain the difference between polymorphisms and mutations.