Patterns of Inheritance

Front

What is the scientific study of heredity?

Back

Genetics

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is the probability of an offspring having blue eyes if B= brown eyes and b= blue eyes?

Back

25%

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NGSS.HS-LS4-3

Front

What are genes?

Back

Segments of DNA on chromosomes that control a trait or characteristic.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What do dominant alleles do?

Back

Dominant alleles are alleles whose trait always shows up when the allele is present.

Front

How many alleles does an offspring receive from each parent to determine a specific trait?

Back

One.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their traits when present, while recessive alleles only express their traits when two copies are present.

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NGSS.HS-LS3-2

Front

What is a genotype?

Back

The genetic makeup of an organism, represented by the alleles it possesses.

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NGSS.HS-LS1-1

Front

What is a phenotype?

Back

The observable physical or biochemical characteristics of an organism, determined by its genotype.

Front

What is a Punnett square used for?

Back

A Punnett square is used to predict the genotypes and phenotypes of offspring from a genetic cross.

Front

What does homozygous mean?

Back

An organism is homozygous for a trait if it has two identical alleles for that trait.

Tags

NGSS.HS-LS3-2