Unit 4 Genetics Vocabulary

Heredity

• no passing of traits from parents to offspring

• the passing of traits from offspring to parents

• the passing of traits from parents to offspring

Allele

• the different forms of a gene

• the same form of a gene

• the same, yet different form of a gene

Phenotype

• an organism's appearance

• the genetic make-up of an organism

• the appearance and genetic make-up of an organism

Genotype

• the genetic make-up of an organism

• the appearance of an organism

• neither the appearance or genetic make-up of an organism

Punnett Square

• a chart which helps determine the probable results of a genetic cross

• a chart that determines what someone looks like

• a chart that scientists fill in

the science that studies how traits are inherited through the interactions of alleles

• heredity

• genetics

• biology

Tags

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controls the trait; you only need one gene for the trait to show up in an organism

• dominant

• recessive

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the weaker trait; you need 2 genes for the trait to show up in an organism

• dominant

• recessive

Tags

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purebred; the same gene pair

• homozygous

• heterozygous

Tags

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hybrid; a different gene pair

• homozygous

• heterozygous

Tags

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NGSS.HS-LS3-2