DNA: Life's Blueprint Molecules

What is the passing of physical and character traits from one generation to another called?

• Mutation

• Evolution

• Heredity

• Adaptation

What science studies heredity?

• Genetics

• Chemistry

• Biology

• Ecology

By the end of which century were scientists convinced that the units of heredity resided in the cell's nucleus?

• Eighteenth century

• Twentieth century

• Seventeenth century

• Nineteenth century

What does DNA consist of?

• A double helix of carbohydrates

• Two strands of a chain linked by four nitrogen bases

• Two strands of proteins linked by sugars

• A single strand of amino acids

How are the chromosome pairs during the separation process?

• Each pair separates without regard to other pairs

• All pairs separate simultaneously

• They separate based on genetic importance

• They separate based on size

What is Chromosome Theory?

• Chromosomes halved in the brain

• Genetics are within chromosomes

• Genetics are outside of chromosomes

• Character traits

Who created a model of DNA structure?

• Ms. Gassel

• Mother's eyes

• Francis Crick and James Watson

• Martin Luther King Jr.

DNA is in the ________________.

• Nucleus

• Brain

• Veins

• Sugars

DNA can be described as:

• 1 straight strand that is like a straight staircase

• 1 strand twisted like a spiral staircase

• 2 strands straight like a straight staircase

• 2 strands twisted like a spiral staircase

Genetic materials have to be able to do this:

• Self-Replication (copy)

• Self-Deletion (delete)

• Self-Regulation (emotions)

• Self-Care (mental health support)