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Inheritance Technology Quiz

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Inheritance Technology Quiz

A community science team is considering different ways to study or influence inherited traits. Read each question closely. Use evidence and explain your thinking where asked.

Choose and classify

Technology can help people study DNA, select inherited traits, or make changes to genetic material. These approaches do different things.

1.A research team wants to change one selected DNA sequence in plant cells. Which technology is designed to make a targeted edit?

DNA fingerprinting
CRISPR gene editing
Selective breeding
DNA sequencing

2.Write the letter of the best purpose beside each technology.

A. DNA sequencing
B. Cloning
C. Genetic testing

2. Reading the order of DNA bases
3. Checking for particular genetic variants
1. Producing an organism with nearly the same nuclear DNA as another

3.A doctor uses gene therapy to treat cells in a patient's muscle. The treatment does not change the patient's egg or sperm cells. Is the change expected to be passed to the patient's children? Explain briefly.

4.Selective breeding changes the DNA of an organism directly in the laboratory, one chosen gene at a time.

TrueFalse

Follow the evidence

The table shows observations from a hypothetical crop study. A trait is a characteristic, such as tolerance to dry conditions. Pollen can carry inherited variants between compatible plants.

Plant group

Pollen source

Observed result

Modified crop

Crop plants with an introduced dry-condition-tolerance variant

Some plants survived a dry-growth trial

Compatible wild relatives nearby

Pollen from modified crop plants

A few offspring had the variant detected in the crop

5.Using the crop study table, describe one way a trait variant from a modified crop could appear in offspring of compatible wild relatives.

6.A team finds that a DNA variant is common in people with a certain trait. Does this result alone prove that the variant causes the trait? Choose an answer and give one reason.

Yes; any variant found in a group must cause its shared trait.
No; more evidence is needed to test whether the variant causes the trait or is merely associated with it.
Yes; sequencing automatically changes the variant.
No; DNA variants cannot be studied.

7.A proposed gene edit is made in an embryo's cells that can later form eggs or sperm. If the edit remains in those cells, what is one important possible consequence?

8.A new inherited treatment is very expensive and its long-term effects are uncertain. Name one ethical concern raised by this situation.

9.A farming group wants crops that cope better with dry weather. In 2–3 sentences, recommend one approach—selective breeding or gene editing—and state one benefit and one question the group should investigate before using it.