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;
25 Cards in this Set
- Front
- Back
|
in __________ neither allele is dominant |
incomplete dominance |
|
|
The phenotype produced is __________ between 2 homozygous parents |
combined |
|
|
multiple alleles |
more than 2 alleles that control a trait |
|
|
polygenic inheritance |
a group of gene pairs act together to produce a trait which creates more variety in pehnotypes |
|
|
mutations |
genes that are altared or copied incorrectly |
|
|
downsyndrome |
results when a person has and extra copy of the number 21 chromosome or trisomy 21 |
|
|
when both parents have a faulty recessive allele and pass it on to their parents |
recessive genetic disorders |
|
|
xx and xy |
female and male |
|
|
difference between a pedigree and a punett square |
pedigree- traces a trait through a family
punett square- shows the probability of a trait |
|
|
genetic engineering |
changing the arrangement of DNA that makes up a gene |
|
|
recombinant DNA |
insertion of a useful segment into a bacterium |
|
|
gene transfer |
a normal allele is placed into a virus which delivers the normal allele when it infects it's target cell |
|
|
name a sex- liked disorder |
colorblindness and hemophilia |
|
|
name a homozygous recessive genetic disorder |
cyctic fibrosis, sickle cell anemia, PKU, one type of drawfism |
|
|
Dominant sex-linked disorders occours when... |
a person inherits at least one dominant sex-linked alleles |
|
|
___________ is the most common recessive genetic disorder that can lead to death among Caucasian americans |
cystic fibrosis |
|
|
cyctic fibrosis causes _________ in the lungs making it difficult to __________ |
thick mucus
breathe |
|
|
name the blood types |
A B AB O |
|
|
which of the following blood types is inherited by incomplete dominance |
AB |
|
|
mutations |
changes and errors that occur when copying DNA |
|
|
individuals with downsyndrome are often ________, experience _______ disabilities, and experience __________ problems |
short
learning
heart |
|
|
mutations can be caused by certain _________, __________, and _________ substances |
chemials, Xrays and radioactive |
|
|
another name for incomplete dominance |
co-dominance |
|
|
__________ is done to improve the phenotyoe of plants |
selective breeding |
|
|
making __________ DNA is one method of genetic engineering |
recombinant |
