16 terms

Science Heredity Test(includes mendel's foldable)

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Dominant
the form of a gene that covers up recessive
ex: A Q R G
Recessive
the form of a gene that is hidden by dominant
ex: a q r g
genotype
the genetic code that detirmines a trait
ex: Rr rr RR rR
phenotype
the physical trait or expression of genotype
ex: blue eyes, blonde hair
genes
a unit of DNA that determines trait, section of chromosone
alleles
different forms of a gene
ex: A or a
B or b
probability
the mathematical chance an event will occur
ex: 1/2 50%
Punnett Square
shows all of the possible combinations of alleles from parents
Heterozygous
the alleles for a trait are different
ex: Aa qQ Rr
Homozygous
the alleles for a trait are the same
ex: AA aa QQ RR pp
mitosis
growth and development to repair body cells
Meiosis
reproduction formation of sex cells
cell specialization
cells getting assigned to their jobs
ex: skin cells, brain cells, etc
zygote
fertilized egg w/ complete set of chromosones
true breeding plant
a plant that will always produce offsping with the same form of a trait when it self polinates
cross-polination
when pollen from one plant is used to fertilize another plant
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