DNA, Genes, & Chromosomes

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

An organism's appearance is known as its

• heredity
• phenotype
• genotype
• pedigree

Where is all the genetic information in a cell?

• Nucleus
• Nucleotides
• Chromosomes
• Cytoplasm

What are small stretches of DNA that code for traits

• Nucleus
• Chromosomes
• Gene
• Centromeres

Which of the following is not inherited characteristic?

• taste
• mouth
• teeth
• language

Which is the best definition of DNA?

• a spiral ladder
• something in your cells
• the recipe for making an organism

The yellow part of this picture is DNA. What do you think the turquoise part around it is?

• chromosome
• gene
• DNA
• ACTG

Tags

NGSS.HS-LS3-1

DNA is inside your cells. What part of the cell is the DNA inside of?

• cell membrane
• cytoplasm
• nucleus

Tags

NGSS.MS-LS1-2

What is the human genome?

• a piece of DNA
• a chromosome
• all of your cells
• all of your DNA

Which sentence is FALSE?

• All organisms have 23 pairs of DNA.
• Chromosomes are made of genes.
• DNA is made out of 4 chemicals: adenine, cytosine, thymine, guanine
• DNA is the recipe for life.