Genetics

Front

What is a homozygous recessive allele?

Back

A homozygous recessive allele is a pair of identical alleles for a trait that are both recessive, represented as 'tt'.

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What is a Punnett Square?

Back

A Punnett Square is a chart used to predict the possible combinations of alleles from a genetic cross.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-3

Front

What does genotype mean?

Back

Genotype refers to the two-letter genetic code of an organism, indicating the alleles it possesses.

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NGSS.HS-LS1-1

NGSS.HS-LS3-2

Front

What is genetics?

Back

Genetics is the study of how traits are passed on from generation to generation, or inherited.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is the probability of producing heterozygous offspring from a genetic cross?

Back

The probability of producing heterozygous offspring is 50%.

Tags

NGSS.HS-LS3-3

Front

What is a dominant trait?

Back

A dominant trait is a characteristic that is expressed when at least one dominant allele is present in the genotype.

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What is a phenotype?

Back

Phenotype refers to the physical appearance or observable traits of an organism.

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NGSS.HS-LS4-4

Front

What is the difference between genotype and phenotype?

Back

Genotype is the genetic makeup of an organism, while phenotype is the observable characteristics resulting from that genotype.

Tags

NGSS.HS-LS3-2

Front

What are alleles?

Back

Alleles are different forms of a gene that can exist at a specific locus on a chromosome.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Front

What is a genetic cross?

Back

A genetic cross is the breeding of two organisms to study the inheritance of specific traits.

Tags

NGSS.HS-LS3-1