Genetics Test Review

Which activity enables humans to produce new genetic combinations in other organisms?

• selecting and breeding the organisms for specific traits

• increasing the number of enzymes available to the organisms

• growing organisms that reproduce asexually

• decreasing the amount of DNA in the diet of the organisms

Tags

NGSS.HS-LS3-2

Before a cell divides, how is an exact copy of DNA made?

• genetic engineering

• Replication

• mutation

• recombination

A strand of DNA in a liver cell contains the bases: A-T-G-C-C-A-T-C-G-G-T-A

after exposed to ultraviolet light the bases are: A-T-G-G-C-C-A-T-C-G-G-T-A

What happened to the base?

• a base was substituted

• a base was deleted

• new base was inserted

• no change

Tags

NGSS.HS-LS3-2

Process X is most likely caused by

• the synthesis of a protein with different simple sugars

• the digestion of the amino acids that make up the proteins

• removal of the gene that codes for the production of the protein

• an internal factor in the body, such as a temperature increase

Tags

NGSS.HS-LS1-1

What is an example of how the external environment can influence gene expression?

• a rabbit that inherits genes for brown fur will grow white fur if the outside if the temperature gets cold

• flowering plants that inherit a gene for blue flowers and a gene for yellow flowers will produce green flowers.

• In some breeds of dogs, certain fur-color genes are found only in females.

• pea plant is short-stemmed only if it inherits the genes for the trait from both parents.

Tags

NGSS.HS-LS3-2

This process is used to

• determine a genetic disease

• identify the father of a newborn

• produce a hormone to regulate blood sugar

• produce human growth hormone

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

DNA replication occurs in preparation for

• mitosis only

• meiosis only

• both mitosis and meiosis

• neither

A gene is...

• Proteins are made of genes and code for DNA.

• Genes are made of proteins that code for nitrogen bases

• DNA is made of carbohydrates that code for genes.

• Genes are made of DNA and code for proteins.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

The instructions for the genetic traits of an organism are directly determined by the

• sized of DNA

• DNA base sequence

• way the bases are paired in the two strands of a DNA molecule

• numbers of A, T, C, and G units in a sugar molecule

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What is needed to cut and copy DNA?

• hormones

• Carbohydrates

• antibodies

• biological catalysts