genetics Flashcards
1
Q
codon
A
3 letter words
2
Q
mutation
A
insertion
substitution
deletion
3
Q
positive mutations
A
good
4
Q
neutral
A
doesn’t affect the individual
5
Q
negative mutations
A
hurt the individual
6
Q
what causes mutations (one thing)
A
mutagens
7
Q
what causes mutations
A
virus
bacteria
radiation
chemicals
stress
genetics
8
Q
how many chromosomes
A
46
23
9
Q
23rd pair
male with have _____
female will have ____
A
XY
XX
10
Q
how do i know they are healthy
A
they have to have 46 chromosomes
pairs must be in 2
11
Q
what does DNA stand for
A
Deoxyribonucleic Acid
12
Q
what is DNA
A
a set of instructions for cell function
13
Q
what does dna look like
A
twisted ladder
14
Q
nitrogen bases
A
adenine
thymine
cytosine
guanine
15
Q
what are base pairs
A
a-t
c-g