DNA, Genes and Chromosomes

Front

Which of the following statements about chromosomes is correct?

• Chromosomes are long, thread-like structures
• Chromosomes are found in the nucleus of all cells in the human body
• Chromosomes contain DNA
• All of the above

Back

All of the above

Front

What are homologous chromosomes?

Back

Two chromosomes that are the same length, have the centromere in the same position, and have genes for particular characteristics at the same location along their length.

Front

How many chromosomes are found in each cell of your body (excluding gametes)?

Back

46

Front

Do gametes contain half as many chromosomes as body cells?

Back

True

Front

How many chromosomes in your cells are sex chromosomes?

Back

2

Front

What are genes?

Back

Sections of DNA arranged along the chromosomes

Front

Which of the following statements about proteins are true?

• Proteins may be structural
• Proteins may be enzymes
• Proteins may be regulatory

Back

All of the above

Front

How many copies of each gene do you have?

Back

2

Front

What does DNA stand for?

Back

Deoxyribosenucleic acid

Front

Which of the following base pairings is correct? T-T, C-A, A-T, C-C, A-T, C-G, C-G, C-C

Back

A-T, C-G