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19 Cards in this Set

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Genes
Factors that control traits
recessive allele
is covered up by dominant alleles
Hybrids
having 2 different alleles for traits
Purebred
an organism that always produces offspring with the same form trait as the parent
genetics
the scientific study of heredity
heredity
passing of traits from parent to offspring
genotype
an organism's genetic makeup
phenotype
an organisms physical
probablilty
the likelyhood that something will happen
codominance
when alleles are neither dominant or recessive
meiosis
the process by which the number of chromasomes are reducd by 1/2 for form sperm and eggs
are mutations always harmful?
No - they can be either helpful, harmful or neutral
homozygous
having 2 identical alleles for a trait
alleles
different forms of genes
traits
physical characteristics
Punnett Square
a chart that shows possible genetic combinations
chromosome theory of inheritance
genes are carried from parent to offspring on chromosomes
transfer RNA
carries amino acids and then adds them to growing proteins
Messenger RNA
copies the coded message from the DNA to the nucleus