Summary Genetics Notes

Genetic-

Section of DNA that controls heriditary characteristics




-Alleles-


Different forms of
·




genes
·

Controll traits and characteristics

Blue eyes etc .
,
green eyes
Same locus
·


on
homologous chromosomes




Passed
·

via meiosis




Genoty-xe--
- - - -




All the
·

has it's chromosomes
genes
on
organism on




Inherits from parents
·




&henotype-


Physical of
·



appearance organism
Shaped by external factors
·

and
genes



Homozygous

Pair
·

of alleles that are the same


BB et
-



;




Dominant
·

= BB

·
Recessive = bb




Heterozygous-

Yair of
·

alleles are different




Gene Yod- -




Set of
·
all
genes
in a
sexually reproducing population


large
·



gene poo :

-High genetic diversity
of
High chance survival

Evolution take
-



can place



·
Small pool :
gene
- Low
genetic diversity
-Chance of extinction