Heredity

Front

What are segments of DNA found in chromosomes that give instructions for producing a certain characteristic?

Back

Genes

Tags

NGSS.HS-LS3-1

Front

What is the definition of probability in the context of genetics?

Back

The mathematical chance an event will occur.

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

Front

What term describes an organism's physical appearance?

Back

Phenotype

Front

What is the result of a cross between true-breeding green and yellow pea plants if green is dominant?

Back

Plants with all green peas.

Tags

NGSS.HS-LS3-1

Front

What does an organism's genotype represent?

Back

Its genetic makeup.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the physical appearance.

Front

What is a dominant trait?

Back

A trait that is expressed in the phenotype even when only one allele is present.

Front

What is a recessive trait?

Back

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

Front

What is the purpose of a Punnett square?

Back

To predict the genotypes and phenotypes of offspring from a genetic cross.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.