Genetics

Front

What is a procedure?

Back

A specific set of step by step directions.

Front

What is a phenotype?

Back

The physical trait expressed by a gene, such as 'brown eyes'.

Front

What is a genotype?

Back

The genetic makeup of an organism, represented by letters (e.g., Tt).

Tags

NGSS.HS-LS3-2

Front

What are alleles?

Back

Different forms of a gene that determine specific traits, represented by letters (e.g., B or b).

Front

What is the offspring ratio from a Tt x Tt cross?

Back

3:1 ratio of dominant to recessive traits.

Front

What is the difference between multicellular and unicellular organisms?

Back

Multicellular organisms have specialized cells that depend on one another, while unicellular organisms must carry out all life processes independently.

Tags

NGSS.MS-LS1-1

Front

What is a dominant trait?

Back

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

Front

What is a recessive trait?

Back

A trait that is expressed only when two recessive alleles are present in the genotype.

Front

What is a Punnett square?

Back

A diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles.

Front

What is the role of DNA in genetics?

Back

DNA carries the genetic information that determines an organism's traits.