Question 1

Adult stem cells can only differentiate into the cell types that comprise the tissues in which they are located.

Accepted Answer

Adult stem cells are tissue-specific, meaning they can only differentiate into the cell types that make up the tissue in which they reside.

Question 2

Different methodologies can be used to obtain the same information about a DNA sequence.

Accepted Answer

Different methodologies, such as Sanger sequencing, next-generation sequencing (NGS), and PCR-based methods, can be used to obtain information about a DNA sequence, each with its own advantages and applications.

Question 3

Genetically modified crops have been banned in the United States.

Accepted Answer

Genetically modified (GM) crops are widely grown and consumed in the United States, with the country being one of the largest producers of GM crops globally.

Question 4

Reverse transcriptase creates a single-stranded DNA molecule that is complementary to an mRNA template.

Accepted Answer

Reverse transcriptase is an enzyme that synthesizes a complementary DNA (cDNA) strand from an RNA template, such as mRNA, effectively converting the RNA sequence back into DNA.

Question 5

Germline and somatic gene therapy are used to treat human genetic diseases.

Accepted Answer

The answer of Germline and somatic gene therapy are used...

Question 6

Suppose a DNA fingerprinting analysis reveals that DNA from a crime scene matches a suspect's DNA at four out of five different loci. What can be concluded from this information?

Accepted Answer

The answer of Suppose a DNA fingerprinting analysis reveals that...

Question 7

Gene therapy is used to treat many diseases.

Accepted Answer

Gene therapy is still largely experimental and is used to treat a limited number of diseases, primarily genetic disorders, and some types of cancer.

Question 8

Pluripotent cells can differentiate into many, but not all, of the different cell types of the body.

Accepted Answer

Pluripotent cells, such as those found in embryos, have the ability to differentiate into almost all cell types of the body, except for those needed to develop a whole organism, distinguishing them from totipotent cells which can form any cell type including a whole organism.

Question 9

DNA fingerprinting is limited to human studies.

Accepted Answer

DNA fingerprinting is used in various fields including forensic science, wildlife biology, and agriculture, not just for human studies.

Question 10

Discuss the reasons why cloning transgenic animals may be preferable over traditional breeding. What are some of the problems with animal cloning?

Accepted Answer

The answer of Discuss the reasons why cloning transgenic animals...

Quiz 18: Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications