DNA and Genetics Study

How many alleles (letters) does a child get from each parent for each trait?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-LS3-1

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

What 3 parts make up a DNA molecule?

• Salt, sugar, phosphate
• Base, sugar, phosphate
• phosphate, ribose, base pairs
• A and T, C and G

A sequence of DNA that codes for a protein is called a 

• trait
• codon
• characteristic
• gene

Tags

NGSS.HS-LS1-1

3 bases of tRNA code for a protein. This 3 base pairs is called a 

• gene
• protein
• codon
• DNA

Which of the following is NOT a difference of DNA and RNA?

• Uracil replaces Thymine in RNA
• DNA has two strands
• DNA contains deoxyribose, where RNA contains ribose
• The base pairs contain the code for proteins