Probability and Heredity

The alleles for a hybrid tall pea plant are represented as __________.

• TT

• Tt

• TS

• tt

Tags

NGSS.HS-LS3-1

Which of these genotypes is heterozygous?

• AA

• Bb

• Cd

• ee

Which of these is NOT a phenotype?

• tall

• short

• homozygous

• round

In a cross between individuals that are Aa x Aa, how many boxes of the Punnett square will show an offspring that is AA?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of these is NOT a way to express probability?

• 1 in 4

• 50 percent

• 25

Tags

NGSS.HS-LS4-3

The physical appearance of an organism is its _____________.

• phenotype

• genotype

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

A number that describes how likely it is that an event will occur is the _____________ of the event.

• alleles

• probability

Tags

NGSS.HS-LS4-3

NGSS.HS-LS3-3

An organism that is _____________ has two identical alleles for a trait.

• homozygous

• heterozygous

A Punnett square shows the combination of _____________ that parents can pass on to offspring.

• alleles

• probability

Tags

NGSS.HS-LS3-1

The genetic makeup of an organism is its _____________.

• phenotype

• genotype