Vocab And Monohybrids Flashcards

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1
Q

Gregor Mendel

A

Father of genetics

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2
Q

Principle of dominance

A

States that some alleles dominant and others are recessive

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3
Q

Cross fertilization

A

The pollen from one plant fertilizes is the ova from a different plant

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4
Q

Heterozygous

A

The pairs of alleles present in a hybrid organism

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5
Q

Dominant

A

Only one copy of this allele must be present in order to see this trait

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6
Q

Gene

A

A segment of DNA that includes information for a specific trait

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7
Q

Allele

A

Term referring to the alternate variations in a trait (ex. Brown hair vs. blond hair)

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8
Q

Genotype

A

An organisms genetic make up

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9
Q

Heterozygous

A

Organism that has two different copies of an allele

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10
Q

Homologous chromosomes

A

Pairs of chromosomes and encoding information for the same traits

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11
Q

Homozygous

A

Organism that has two identical copies of an allele

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12
Q

Homozygous

A

The pairs of alleles present in a purebred organism

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13
Q

Law of segregation

A

When an organism produces gametes, the two alleles separate from one another so that each gamete carries only one allele

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14
Q

Phenotype

A

Physical appearance of an organism

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15
Q

Recessive

A

Two copies of the trait must be present in order to see this trait

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16
Q

Self fertilization

A

Pollen from one plant fertilizes the ova from the same plant