Genes

Question 1

chromosomes

Answer 1

thread like structures made of DNA

Question 2

genes

Answer 2

segments of DNA that controls production of proteins and determines physical traits

Question 3

DNA

Answer 3

the material chromosomes are constructed from, contains instructions on how to survive, develop, and reproduce

Question 4

DNA structures

Answer 4

twisted ladder shape - double helix

Question 5

What is DNA made off?

Answer 5

sugar, phosphate backbones, and four nitrogenous bases

Question 6

Name the four nitrogenous bases

Answer 6

Adenine. Thymine, Guanine, Cytosine

Question 7

DNA sequence

Answer 7

order of how building blocks are strung, different for everyone

Question 8

Mutations

Answer 8

random changes in the DNA sequence

Question 9

What causes mutations?

Answer 9

• random
• hereditary
• overexposure

Question 10

Chromatin

Answer 10

uncoiled stringy DNA

Question 11

Chromosomes

Answer 11

condensed DNA

Question 12

chromotid

Answer 12

identical half of chromosomes (sister chromatids = 2 chromatids)

Question 13

centromere

Answer 13

holds the two chromatids together

Question 14

Gene therapy

Answer 14

gives patient healthy version of defective gene