Unlocking the Secrets of DNA and Its Impact on Life and Medicine

DNA is the genetic code in all life, with 6.4 billion letters in each cell. Paul Nurse, a Nobel laureate, discusses DNA's history, structure, and its role in genetic inheritance. DNA fingerprinting, pioneered by Alec Jeffries, revolutionized identity verification and the justice system. The human genome's unveiling in 2000 led to commercial genetic testing. Personal DNA stories, like Nurse's, highlight its impact. Advances like CRISPR offer potential for treating genetic diseases. DNA research continues to evolve, promising insights into human development and environmental solutions.

What is the approximate number of DNA letters present in each human cell?

• 30 trillion

• 6.4 billion

• 3.2 billion

• 1.5 billion

Who was awarded the Nobel Prize for work on DNA replication and distribution?

• James Watson

• Francis Crick

• Paul Nurse

• Rosalind Franklin

In what year was DNA shown to be responsible for genetic inheritance?

• 1984

• 2001

• 1944

• 1953

What are the four chemicals that make up the rungs of the DNA ladder?

• P, Q, R, S

• A, B, C, D

• X, Y, Z, W

• A, T, G, C

Who created the first recorded DNA fingerprint?

• Paul Nurse

• Alec Jeffries

• James Watson

• Francis Crick

What year was the first draft human genome unveiled?

• 1984

• 2000

• 1953

• 1944

What is CRISPR primarily used for in genetics?

• Sequencing DNA

• Editing genes

• Creating synthetic proteins

• Predicting genetic diseases

Which of the following is a potential application of CRISPR technology?

• Creating DNA fingerprints

• Identifying extinct species

• Correcting genetic diseases

• Storing digital data

What is one of the potential uses of new synthetic proteins?

• Storing computer data

• Identifying genetic diseases

• Breaking down pollutants

• Creating DNA fingerprints

What is a significant benefit of personalized medicine?

• It can store more data.

• It is cheaper than traditional medicine.

• It can predict weather patterns.

• It is tailored to an individual's genetic makeup.