Midterm: Life Science Dec 2024

Front

What is positive gravitropism?

Back

Positive gravitropism is the growth of plant roots toward the pull of gravity.

Front

What is negative gravitropism?

Back

Negative gravitropism is the growth of plant stems away from the pull of gravity.

Front

In a Punnett Square, what is the probability of offspring having a recessive trait if both parents are heterozygous?

Back

25%.

Front

What are recessive traits?

Back

Recessive traits are traits that are hidden in a hybrid and only appear when two recessive alleles are present.

Front

What are dominant traits?

Back

Dominant traits are traits that appear in a hybrid and can mask the presence of recessive traits.

Front

What is phototropism?

Back

Phototropism is the type of tropism in which a plant grows in response to light.

Front

What is gravitropism?

Back

Gravitropism is the growth of a plant in response to gravity.

Front

What is thigmotropism?

Back

Thigmotropism is the growth of a plant in response to touch.

Front

What is hydrotropism?

Back

Hydrotropism is the growth of a plant in response to moisture.

Front

What is a Punnett Square used for?

Back

A Punnett Square is used to predict the probability of offspring inheriting particular traits.