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
|
Define allele |
An alternate form of a gene |
|
|
Define phenotype |
The physical appearance of a characteristic |
|
|
Define genotype |
The genetic make up of an organism |
|
|
Define monohybrid inheritance |
The inheritance of a single characteristic, controlled by a pair of alleles |
|
|
Define mutation |
1).a change in the genetic material of an organism |
|
|
What is the female part of a plant called? |
Carpel |
|
|
What is the female part of the plant made up of? |
Stigma Style Ovary Ovule |
|
|
What is the male part of the plant called? |
Stamen |
|
|
What is the male part of the plant made up of? |
Anther |
|
|
What is the pacemaker? |
A group of cells which controls the resting heart rate |
|
|
How does the pacemaker work? |
Produces a small electrical impulse, which spreads to the surrounding muscle cells, causing them to contract |
|
|
Where is the pacemaker found? |
In the sinoatrial node, in the right atrium |
|
|
Define negative feedback |
A system of control, where changes are reversed and returned back to the set level in a system. |
|
|
How can drugs help treat type 2 diabetes? |
Help insulin work better Cause the pancreas to release more insulin Cause less glucose to be absorbed into the blood |
|
|
What are the developing methods which may be able to treat type 1 diabetes? |
Pancreas transplants Transplanting pancreas cells Use embryonic stem cells to produce insulin-secreting cells |
|
|
Define extinction |
When all members of a species die out |
|
|
Define carbon sink |
Something that takes up more carbon dioxide than it produces |
|
|
Define detritus feeders |
Animals such as worms, which feed on waste, or dead bodies of organisms |
|
|
How can you tell a reflex action is not conscious? |
It is automatic and rapid |
|
|
Define hypotonic solution |
A solution which is less concentrated (more dilute) than another solution |
|
|
Define hypertonic solution |
A solution which is more concentrated than another solution |
|
|
What is a recessive allele? |
An allele that is not expressed if a dominant allele is present |
|
|
How can you tell if a recessive allele is present in a family tree? |
Unaffected parents can have an affected child |
|
|
What is an amino acid (DNA)? |
A combination of 3 bases |
|
|
How is a protein coded for? |
By the order of the amino acids |
