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Biology > Genetics > Flashcards

Genetics Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Homologous Chromosomes

A

carry the same genes.

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2
Q

DNA

A

Blueprint for all living things.

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3
Q

Centromere

A

Constricted region of a chromosome, helps the cell divide up its DNA during division.

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4
Q

Heterozygous

A

Two different Alleles

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5
Q

Homozygous

A

Two of the same alleles

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6
Q

Genotype

A

The types of genes(alleles) that are present

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7
Q

Phenotype

A

what the gene looks like.

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8
Q

Chromosome

A

Made up of genes, which are made up of DNA.

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9
Q

Genes

A

Code for making protein.

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10
Q

dominant

A

A gene is dominant when it out rules the other (recessive)

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11
Q

recessive

A

traits that are covered up.

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12
Q

pedigree symbol

A

Square: Boy, Circle: Girl

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13
Q

karyotype

A

Individuals complete set of chromosomes.

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14
Q

sex chromosomes

A

X and Y chromosomes

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15
Q

autosomes

A

any chromosome that is not a sex chromosome.

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16
Q

co-dominant

A

No gene is dominant over the other, and both genes are expressed.

17
Q

incomplete inheritance

A

No gene is dominant over the other, no capital letters are used.

18
Q

sex-linked inheritance

A

sex is inherited through the sex chromosomes, which are X and Y chromosomes.

19
Q

male sex chromosomes

A

XY

20
Q

female sex chromosomes

A

XX

21
Q

alleles

A

different forms of (a characteristic) the same gene

Biology (9 decks)

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