Lesson 12 Engineering and Genetics

Different gene forms for a trait.

• chromosome
• allele

Gene trait that is always expressed.

• recessive
• dominant

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NGSS.HS-LS3-1

Your physical appearance thanks to the genes you have inherited.

• phenotype
• genotype

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NGSS.HS-LS3-1

The genes you have inherited.

• phenotye
• genotype

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Any characteristic that can be passed from parent to offspring.

• trait
• genotype

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

The study of heredity.

• traits
• genetics

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

what do the letters outside a punnett square represent?

• offspring
• parents

what do the letters inside a punnett square represent?

• parents
• offspring

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NGSS.HS-LS3-1

Phenotype of offspring when you cross BbXBb

• 3:1
• 1:2:1

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NGSS.HS-LS3-1

NGSS.HS-LS3-3

Genotype of heterozygous cross BbXBb

• 3:1
• 1:2:1

Tags

NGSS.HS-LS3-3