Genetics Test (7)

What cell organelle creates proteins?

• nulcleus

• ribosomes

• ER

• cytoplasm

Because x-rays and ultraviolet light can change DNA, they are known as

• mutagen

• protein

• toxic waste

• chromosomes

Which change involves the loss of part of a chromosome?

Hereditary information for traits is located in

• straight chain

• single strand

• double helix

• branching chain

Which sequence lists the hereditary material found inside cells from the largest unit to the smallest unit?

• regulating the movement of nutrients

• storing and releasing chemicals

• carrying genetic material

• providing energy for activities

What is the function of DNA in a cell?

• circulation

• competition

• mutation

• respiration

Watson and Crick described DNA as a

• glucose units in carbohydrate molecules

• bases in DNA in the nucleus

• fat molecules in the cell membrane

• energy-rich bonds in starch molecules

A group of amino acids make a

• 3

• 2

• 1

• 4

A change in the base sequence in this DNA molecule is known as

• sugars

• amino acids

• phosphate

• nucleotides

Which scientists developed the model of DNA represented below?

• cloning

• genetic engineering

• cutting DNA and removing segments

• selective breeding for desirable traits