DNA & Genetics

What are the four bases of DNA?

• Adenine

• Thymine

• Guanine

• Cytosine

Select the THREE types of Mutations.

• Substitution

• Addition

• Deletion

• Insertion

• Division

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which base pair always pairs with Thymine?

• Guanine

• Cytosine

• Adenine

Which base pair always pairs with Guanine?

• Thymine

• Cytosine

• Adenine

What carries our genetic code?

• recessive

• genotype

• base

• DNA

Tags

NGSS.HS-LS1-1

Are all mutations bad?

• Yes
• No

Tags

NGSS.HS-LS3-2

The twisted ladder structure of DNA. Two strands of nucleotides wound about each other.

• protein
• gene
• double helix
• allele

Tags

NGSS.HS-LS1-1

True/False:

Having extra chromosomes can cause genetic disorders or even be deadly.

• True

• False

How many PAIRS of chromosomes does a normal human being have?

• 21

• 22

• 23

• 24

How many TOTAL chromosomes does a normal human being have?

• 44

• 45

• 46

• 98