Chapter 6

Human body cells are diploid, which means _____. a. they are complete b. they have autosomes c. they have two sets of chromosomes d. their DNA is in a double helix

The _____ is genetic information. a. karyotype b. sequence of DNA c. double helix d. chromosome number

One species' DNA differs from others in its _____. a. sugar-phosphate backbone b. nucleotides c. DNA sequence d. all of the above

When DNA replication begins, _____. a. the two DNA strands unwind from each other b. the two DNA strands condense for base transfers c. old strands move to find new strands

DNA replication requires _____. a. template DNA b. nucleotides c. primers d. all of the above

All mutations _____. a. cause cancer b. lead to evolution c. are caused by radiation d. change the DNA sequence

Exposure to _____ can lead to mutations. a. UV light b. cigarette smoke c. x-rays d. all of the above

_____ is an example of reproductive cloning. a. Somatic cell nuclear transfer (SCNT) b. Multiple offspring from the same pregnancy c. Artificial embryo splitting d. a and \(c\) e. all of the above

Match the terms appropriately. _____nucleotide _____clone _____autosome _____DNA polymerase _____mutation _____semiconservative replication a. replication enzyme b. one old, one new c. copy of an organism d. chromosome that does not determine sex in humans e. monomer of DNA f. can cause cancer