Quiz 1

What is genetics?

• The study of genes, genetic variation, and heredity in living organisms
• The study of the universe and its properties
• The study of human behavior and societies
• The study of the earth's physical and biological systems

Heterozygous is when...

• the alleles are the same
• the alleles are different
• the alleles are absent
• the alleles are present

Which of the following alleles is homozygous (purebred) recessive?

• Tt
• tt
• TT
• t

What you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Cytosine, Thymine, and Uracil have a single ring structure

• Pyrimidines

• Purines

• Monomer

• Polymer

Bacteria use restriction enzymes to protect themselves from:

• other bacteria

• plants

• antibiotics

• viruses

DNA Replication begins at:

• Start Codons
• Origins
• Promoters
• Histones

The two strands of DNA are held together by:

• Hydrogen Bonds
• Phosphodiester Bonds
• Glycolsyl Bonds
• Glycosidic Linkages