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Genetics (Alleles (Alternative forms of gene (Dominance alleles, Recessive…
Genetics
Alleles
complete dominance
that can express two traits
heterozygote
two different alleles
incomplete dominance
independent assortment
genotype
genetic makeup of organism
phenotype
Characteristics of traits
Alternative forms of gene
Dominance alleles
Recessive alleles
homozygous
two same alleles
RR
rr
proteinsynthesis
Creates protein molecules
3D structure
sends biological message
Gene
RNA
messenger carrying instruction
bases
Adenine
Uracil
Guanine
Types
m RNA
carries amino acid
r RNA
genetic messages
t RNA
composed of ribosomes
DNA
carries genetic information
Double helix
bases
Adenine
Guanine
Uracil
cytosine
Mutation
Any change in the sequence of DNA
Carry chromosomes
Gamates
Fertilization
egg
Sperm
produced
mitosis
repair
growth
meiosis
Cell division
23 pairs of chromosomes
homologous pairs
diploid 2n
karyotypes
trisomy disorder
gender
XY
XX
test cross
punnett square
predict genotype
breeding of individual
Autosomal chromosomes
non sex chromosomes
blood group same on the chromosomes
heredity
passing of traits from parents to off spring
Either asexual or sexual reproduction
Definition
Study of heredity and variation of inherited characteristics
