Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
mutation
|
permanent change in genetic code.
|
|
|
!st cause of mutation
|
you inherit them.
|
|
|
2nd cause of mutation
|
get them from the environment.
|
|
|
mutagen
|
cause changes in DNA
|
|
|
Gene mutation
|
changes within a single gene
|
|
|
does a silent mutation mess with the shape of a protein?
|
changed sequnce doesn't affect shape
|
|
|
what is a chromosomanal mutation?
|
homologous pairs fail to seperate.
|
|
|
fixing mutations?
|
are inherited by parents
|
|
|
what is a zygot?
|
egg becomes fertilized by sperm
|
|
|
the fertilization of an egg occurs in the...
|
oviduct
|
|
|
basic laws of hereditity were created by gregor mendal when he crossed pea plants and did what with the offspring?
|
mathematical ratios of offspring traits
|
|
|
identical twins are made by the same what?
|
egg
|
|
|
what's the deal with faternal twins?
|
two eggs fertilzed by two sperm.
|
|
|
what is heterozygous?
|
when both alleles are diffrent
|
|
|
what is homozygous
|
when both alleles are identical
|
|
|
what is an allele?
|
gene w/ specific postion and chromosone
|
|
|
what's an example of a mutagen
|
UV radiation
|
|
|
what components of DNA could be held together by hydrogen bonds?
|
thymine guanine cytosine and adenine
|
|
|
how many carbons are in a sugar of single gene
|
5-carbon sugar
|
|
|
what's a diffrence between RNA and DNA
|
RNA has ribose DNA deoxyribose
|
