genetics 1
who the father of genetics?
gregor mendel
what other name for genetics?
DNA
what is down syndrome?
a genetic disorder
why do we need genetics?
we need genetics to grow and surive
What are nitrogenous bases?
nitrogenous base is an organic molecule with a nitrogen atom that has the chemical properties of a base
How can see DNA?
Microscope
how many chromosomes are there in the nucleus in total?
46 chromosomes
why are nitrogenous bases important?
Helps build up the nucleic acids like DNA and RNA.
how many chromosomes do get from each parent
23 from chromosomes
what are genes?
Genes are small units of DNA
what are letters nitrogenous bases start with
A,T,C,G
what are mutations ?
change of the nucleotide sequence of the genome of
organism
why would a child look like his parents?
because the parents traits are passed down to the offspring
what is a trait?
Characteristic that is inherited can be either dominant or recessive.
Do environmental factors cause disorders
Yes i they do because in addition to drugs and chemicals, temperature and light are external may effect a organism