senses
how does taste work?
food hits tongue and is broken down by saliva then hits taste receptors and sends a signal to the brain.
Taste bud?
bump on the tongue that holds receptor proteins for taste
Do they have a dominant trait?
Yes
where are genes located?
in chromosomes
chemical building blocks?
DNA
what nerve lets us see?
Optic nerve
Rods?
cell in the back of the eye that help see in the dark
is this recessive (BB)?
No
which are variables of genes
Alleles
nerve that sends signals from the face?
facial nerve
How can we feel things?
when our nerves sense something and send a signal to the brain
Cones?
Cell in the back of the eye that help us see color
Brown hair is dominant and blonde hair is recessive, which one is gonna happen (bb)
Blonde hair
How do you get genes?
Inherit from parents
20 different building blocks?
Amino acids
why do some people not taste PTC?
they do not have the right receptor
Nucleus?
Organelle
If mom has AA and dad has Aa what combo would the child have?
50% Aa 50% AA
where is genetic code located?
within DNA molecule
set of instructions which describe which amino acids?
genetic code
Which one lets us see color rods or cones?
Cones
Y chromosome
Chromosome found only in males
how many boxes do you need to get 50%?
2 Boxes
what do cone cells do?
they help you see color
special type of molecule?
Proteins