DNA, Genes and Chromosomes

A chromosome is made of genes

• True

• False

Answer explanation

A chromosome is made of DNA. Genes are regions of the chromosome but there are parts of it assigned to other things

Tags

NGSS.HS-LS3-1

The four bases Adenine, Cytosine, Guanine and Thymine are made of Hydrogen

• True

• False

Answer explanation

The four bases are nitrogen rich. These bases attched together by base pairing with a hydrogen bond. Hydrogen will bond covalently with Nitrogen

Tags

NGSS.MS-LS3-1

What does DNA do?

• a.  It carries genetic codes from parents to offspring.

• a.  It carries oxygen from the lungs to the body.

• a.  It tells you who you are.

• a.  It defines the organism.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which organelle is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

How many chromosomes do human cells have?

• 46

• 23

• 2

• 44

What is a gene?

• A bundle (like a hot dog bun) that the DNA is packed into

• something inside the nucleus

• a piece of DNA

• all of your DNA

Tags

NGSS.HS-LS1-1

Bundled up, organized DNA is called a

• gene

• trait

• chromosome

• nucleotide

What is a gene?

• An entire chromosome that  codes for a trait

• a piece of clothing

• a piece of a DNA on chromosome that codes for a trait

• Chemical messengers in your brain that code for a trait

Tags

NGSS.HS-LS3-1

What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?

• Genesis

• Elective traits

• Alleles

• Quadrants

Heredity is the passing of traits from _____________________ to _____________________

• predators to prey

• water to rain

• parents to offspring

• fungi to protists

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2