Chapter Three + four Flashcards
(45 cards)
is development ongoing?
yes
is development just your genes
provide ex
no
just cuz ur genes say u can live till 120, also depends on ur nurture
how many chromosomes do we humans have
what are the two categories it is split into
46
23 maternal
23 paternal
how many genes make up chromosomes
1,000
what are genes
set of instructions that determines our traits
two types of genes
dominant
recessive
what do we call our physical traits
phenotype
what do we call our genetic makeup
genotype
whats in the cell
the nucleus
how many pairs of chromosome are in the nucelus
23
one piece of chromosome =
how does it look
gene
coiled
what is the gene made up of
DNA
what is DNA
genetic info
who you are
sepecifc character traits suh as height, features
Allele
variation of a gene
what does the 23rd chromosome say
if youre female or male
sign for female and male
XX
XY
Punnet Square
Heredity and Genes
Monozygontic twins
one egg
one cell
= identical
Dizygonic Twins
two eggs = fraternal
How do we get diseases
especially genetic
but environment plays a role
e/t we do or have
has a genetic component as well as environment
what if we ignore our genetic and environment
STUPID
what is height
hereditery
what is alcohlism
hereditry and environmental