Tci Slides 2023 Cells & Genetics Book Lesson 11: Gen

Multiple Choice

What are the different variations of a gene ?

• mutation

• genotype

• phenotype

• allele

Multiple Choice

Where do mutations occur?

• DNA and RNA
• DNA 
• RNA
• mRNA and tRNA

Multiple Choice

DNA can repair itself after it is damaged, true or false?

• false
• true

Multiple Select

What are the three possible consequences to changes in DNA? [check all that applies]

• Improved trait

• removal of trait

• No change (neutral)

• Harmful trait

Multiple Choice

Which of the following best describes a mutagen?

• Direct manipulation of an organism's genes using biotechnology.

• Any organism whose genetic material has been altered using genetic engineering techniques.

• An agent which can change the structure of DNA, causing a mutation.

Multiple Choice

True or False: Reducing your exposure to mutagens on a daily basis can decrease your chances of contracting diseases like cancer later in life.

• True

• False

Multiple Choice

Which of the following is an example of a beneficial mutation?

• When an organism's lifespan becomes shorter.

• When an organism becomes unable to reproduce.

• When an organism's body becomes deformed.

• When an organism develops immunity to a disease.

Multiple Choice

Which statement best defines a mutation?

• a physical trait that negatively impacts the organism

• an adaptive trait that allows the individual to be better fit for survival

• a change in the order, number, or type of bases in the genetic code

• an identical copy of the original DNA strand

Multiple Select

Examples of mutagens include

• UV light

• X rays

• smoke

• pure water

Multiple Choice

any change in the DNA of a gene or a chromosome

• genetic engineering

• carrier

• polygenic inheritance

• mutation

Multiple Choice

Mutations are SOMETIMES helpful to the organism.

• true

• false

Multiple Choice

Mutations can be...

• Harmful

• Beneficial

• Neutral

• All of the Above

Multiple Choice

A parent that has a mutation to their skin cells can pass this mutation to their offspring

• True

• False

Multiple Choice

True or false, mutations create genetic diversity?

• True

• False

Multiple Choice

When can a mutation be passed on to offspring?

• only when the mutation is present during or occurs during mitosis
• only when the mutation is present during or occurs during meiosis
• when the mutation occurs during mitosis or meiosis
• when the mutation occurs in somatic cells

Multiple Choice

Mutations can be beneficial because they increase genetic _____________________ and can make the individual and species more likely to survive.

• diseases

• complications

• disorders

• diversity

Multiple Choice

The changing of the structure of the genes and proteins.

• Mutations

• DNA

• Transformation

• Substitution