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igcse biology
inheritance
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Cards (10)
GENOME: All
genetic
information (
DNA
) of an organism
GENE
:
Heritable factor
that consists of a section of
DNA
that
codes
for specific
proteins
influence specific
characteristics
i.e collagen (for skin) or hemoglobin
ALLELES:
Alternative
forms of
Gene
that
code
for
different variations
of
specific trait
CHROMOSOMES: Carries
genetic
information (
DNA
) in a
packaged
and
organised
structure in
functional
pairs in
Nucleus
RECESSIVE: variant of a gene which requires
two
copies of the
allele
to be
expressed
as the phenotype
Dominant
: variant of a gene which only requires
one
copy to be expressed in the
phenotype
Phenotype
: an organism's
expressed
or
observable
characteristics due to interactions of the
genotype
and
environment
Genotype
: the
combination
of
alleles
someone possesses for a specific
gene
and determines the
phenotype.
Heterozygous
: Having two
different alleles
of a particular
gene
Homozygous
: Having two
identical alleles
of a particular
gene