SB3g Alleles Flashcards

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1
Q

allele

A

different versions of the same gene

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2
Q

dominant

A

allele that will always affect the phenotype

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3
Q

genetic diagram

A

diagram showing how the alleles in 2 parents may form different combinations in the offspring when the parents reproduce

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4
Q

genetic variation

A

inherited variation, differences between organisms passed on to offspring by their parents in reproduction

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5
Q

genotype

A

the alleles for a certain characteristic found in an organism

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6
Q

heterozygous

A

when both the alleles for a gene are different in an organism

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7
Q

homozygous

A

when both the alleles for a gene are the same in an organism

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8
Q

monohybrid inheritance

A

the study of how the alleles of just one gene are passed from parent to offspring

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9
Q

phenotype

A

the characteristics that a certain set of alleles produce

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10
Q

ratio

A

a relationship between two quantities, usually showing the amount of times 1 value is bigger than the other

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11
Q

recessive

A

allele that will only affect the phenotype if the other allele is also recessive

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12
Q

zygote

A

fertilised egg cell

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