Genetics Part 1 Review

Which list is in the correct order from biggest to smallest?

• organism-cell-nucleus-chromosome-DNA-gene

• gene-DNA-chromosome-nucleus-cell-organism

• organism-DNA-cell-gene-chromosome-nucleus

• organism--cell-nucleus-gene-chromosome-DNA

Gene mutations can be caused by many things. These mutations are biologically important because they

• occur at a regular rate and therefore can be controlled

• can be passed to the offspring if they occur in any cell of the body

• are always harmful and therefore help to eliminate weak traits

• can result in a new variety of gene combinations in the species

Tags

NGSS.HS-LS3-2

What will most likely happen if there is a change in the base sequence of this molecule?

• The molecule will be converted into an inorganic compound.

• The amino acid sequence may be altered during protein synthesis.

• The chromosome number will decrease in future generations.

• The chromosome number may increase within the organisms.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Gregor Mendel developed some basic principles of heredity by

• crossing pea plants

• cutting off the tails of mice

• breeding fruit flies

• culturing bacteria in a laboratory

Which process is represented in the diagram?

• cell reproduction

• meiosis

• mutation

• gene replication

Tags

NGSS.HS-LS3-2

The region labeled A is made up of a section of

• a protein that becomes an enzyme

• DNA that may direct protein synthesis

• a carbohydrate made from amino acids

• glucose that may be copied to make DNA

Tags

NGSS.HS-LS1-1

The diagram below represents the building block of a large molecule known as a

• protein

• fatty acid

• carbohydrate

• nucleic acid

Genes code for

• DNA

• cells

• carbohydrates

• proteins

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NGSS.HS-LS1-1

NGSS.HS-LS3-1

Strand II would normally include

• AGC

• TCG

• TAC

• GAT

When the boxes are filled in, what will the total number of bases represented by the letter A (both inside and outside the boxes) be?

• 1

• 2

• 3

• 4