LS7_U3: Genetics Review 1

At which level of body organization does copying of DNA take place?

• organ system

• organ

• tissue

• cell

Tags

LS.10.a

What is the complementary base to cytosine in DNA?

• uracil

• thymine

• guanine

• adenine

Tags

LS.10.a

DNA stores the genetic instructions transferred from one generation to the next. What is DNA?

• a molecule

• a membrane

• a cell nucleus

• a spiral-shaped cell

Tags

LS.10.a

Inherited traits are _____. (Select ALL that apply.)

• traits that can be changed by the environment.

• traits that can be changed by the choices that we make.

• traits that are passed to offspring from their biological parents.

• traits that are passed to offspring through the DNA.

Tags

LS.10.a

Examples of inherited traits are: (Select ALL that apply.)

• dimples

• the ability to roll ones tongue

• eye color

• sickle cell anemia

• ear piercing

Tags

LS.10.a

Acquired traits are _____. (Select ALL that apply.)

• traits that can be changed by the environment.

• traits that are passed to offspring by their biological parents.

• traits that are passed to offspring through the DNA.

• traits like ear piercings, tattoos, dying hair color, and breaking a bone.

Tags

LS.10.a

Some inherited traits are NOT easy to see.

• True

• False

Tags

LS.10.a

Select ALL of the statements below that are TRUE for DNA.

• DNA is made of four basic chemical bases

• DNA is made of chromosomes

• Chromosomes are made of tightly coiled DNA

• DNA has small segments called genes

Tags

LS.10.a

Each gene is _____.​ ​ (a)  

• a set of instructions for building a protein.
• an acquired trait.
• is made of chromosomes.

Tags

NGSS.HS-LS1-1

A complete set of genes is called _____.

Tags

LS.10.a