Laws of Inheritance

Question 1

The table below summarizes Mendel’s results for the F2 generation.Mendel’s ResultsPlant height787 tall277 shortFlower color705 purple224 whitePod color428 green152 yellowPod shape882 inflated299 constrictedSeed color6,022 yellowx greenSeed shape5,474 smooth1,850 wrinkledWhat number should replace the letter x in the “Seed color” row?

Revolt · Accepted Answer

2,001

Question 2

Scientists often use fruit flies as a method to test hypotheses about human genes. Why are fruit flies advantageous in the study of human inheritance?

Revolt · Accepted Answer

They reproduce quickly and take up little space.

Question 3

In pea plants, tall plant height is dominant over short plant height. If there are 200 short plants in the F2 generation from a cross that followed Mendel’s methods, about how many plants will be tall in that generation?

Revolt · Accepted Answer

600

Question 4

The table below summarizes the traits that Mendel examined during his experiments.Traits Studied by MendelWhat do these characteristics all have in common?

Revolt · Accepted Answer

They can all be easily observed.

Question 5

Which is the best example of a hypothesis leading to new experimental methods?

Revolt · Accepted Answer

Thomas Hunt Morgan continued the genetic research of Gregor Mendel, but Morgan used fruit flies.

Question 6

Why did Gregor Mendel use peas in his experiments?

Revolt · Accepted Answer

Peas have characteristics that have two forms.

Question 7

Which has the most control of traits and inheritance?

Revolt · Accepted Answer

nucleic acids

Laws of Inheritance Answers

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