Chromosomes, DNA and Genes

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.HS-LS1-1

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

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

Which organelle is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

Tags

NGSS.MS-LS1-2

What is a genotype? 

• The genetic make up (code)

• The physical trait

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

Why is DNA important?

• it is very small and very complicated

• it's in everything

• it serves as the blueprint for traits of all living things

• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1