Introduction to HEREDITY and DNA

Chromosomes are made of _________, and found in the __________ of your cells.

• cells, nucleus

• DNA, ribosomes

• DNA, nucleus

Tags

NGSS.HS-LS3-1

What do you call one segment (piece) of DNA that codes for one genetic trait?

• a chromosome

• a gene

• DNA

• Deoxyribose

• nucleotide

Tags

NGSS.HS-LS3-1

Humans have _______ pairs of chromosomes, for a total of _______ chromosomes.

• 10, 20

• 25, 100

• 23, 46

• 46, 92

Genetically determined characteristic. For example: eye color.

• Gene

• Genetics

• Heredity

• Trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is correct?

• A pairs with C

• T pairs with C

• A pairs with T

• T pairs with G

• C pairs with G

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

The two strands of nitrogenous bases in DNA are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Tags

NGSS.HS-LS1-1

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

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-LS3-1

NGSS.HS-LS1-1

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose