Genetics

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 percent does each individual square represent in a Punnett square?

Back

25%.

Front

What does a capital letter in an allele represent?

Back

Dominant trait.

Front

What is the genotype for a heterozygous individual?

Back

Bb.

Tags

NGSS.HS-LS3-2

Front

Which genotype is homozygous dominant?

Back

YY.

Front

What is a phenotype?

Back

A phenotype is the observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Front

What is a recessive trait?

Back

A recessive trait is a trait that is only expressed when two recessive alleles are present.

Front

What is a Punnett square used for?

Back

A Punnett square is used to predict the genetic makeup of offspring from a particular cross or breeding experiment.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What does homozygous mean?

Back

Homozygous means having two identical alleles for a particular gene.

Tags

NGSS.HS-LS3-2

Front

What does heterozygous mean?

Back

Heterozygous means having two different alleles for a particular gene.