Vocab
Inherited Trait
A physical characteristic of a person that can be passed down from a parent to a child.
Who do kids get their alleles from?
They get their alleles from their parents.
How many chromosomes pairs are in a human?
23
How do we taste food?
We taste food because of taste buds.
Rods
Cells in the back of the eye that help us to see color.
Signal
A chemical reaction within a human cell that travels along a nerve cell to the brain.
What is an allele?
A different version of the same gene.
How many chromosomes are in a human?
46
Where do we taste food best on the tongue?
The side of the tongue.
Gene
A chemical code that contains the instructions to build proteins.
Chromosome
Thread like structures made of DNA molecules that contain the genes and are found in the nucleus of the cell.
.What determines the traits we get?
Nothing, they are picked at random.
What chromosome pair determines gender?
The 23rd chromosome pair.
Do we taste spice with our taste buds?
No, spice tricks our hot and cold receptor cells to make it seem that we can taste spice.
Opsins
Light sensitive receptor proteins found in cone cells that send signals to the brain to translate.
Genetic Code
A set of instructions that describe what amino acids to string together in a specific order to make a giving protein.
Why do siblings look alike?
Because they have the same parents.
How many chromosomes are given to an offspring from each parent?
Each parent gives 23 chromosomes to the offspring.
How does our taste work?
Taste buds sense the taste, then receptor cells send a signal along the facial nerve to the brain to tell us what we are tasting.
Stimules
A detectable change in the environment. For example, light, sounds, touch, etc.
Proteins
A special type of molecule in out bodies that can do things in our cells, a molecule made up of a chain of amino acids that perform tasks like stimuli, signaling cells, causing chemical reactions, and regualting our bodies.
Do identical twins have the same alleles if they are the same gender?
Yes
Where can chromosomes be found?
In the nucleus of the cell.
How many taste buds to humans posses?
2,000-10,000 taste buds.
Optic nerve
A nerve that carries signals from the rod and cone in the eye to the brain.