Genetics

Two identical alleles for a trait is known as

• homozygous

• heterozygous

• mutation

• codominance

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

A physical appearance is

• genotype

• heterozygous

• phenotype

• codominance

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does Pp mean?

• two dominant alleles

• heterozygous alleles

• one dominant allele

• two dominant and recessive alleles

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Who studied different characteristics of pea plants by cross-pollinating plants?

• Gregor Mendel

• Albert Punnett

• Sir Isaac Newton

• David Kuster

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NGSS.MS-LS4-4

Genotype is

• stem height

• feather color

• physical appearance

• genetic makeup

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NGSS.HS-LS3-1

Which term refers to physical characteristics that are studied in genetics

• traits

• offspring

• generations

• hybrids

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NGSS.HS-LS3-1

An organisms's allele combination is known as

• phenotype

• mutation

• hybrid

• genotype

What does RR mean

• two dominant alleles

• heterozygous alleles

• at least one dominant allele

• one dominant and one recessive allele

Which best describes an inherited trait?

• a characteristic one chooses to express
• a characteristic one receives from the food one eats
• a characteristic that is passed on from one's parents
• a characteristic that is influenced by one's surroundings

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele