Chromosome, dna, trait, genes

Which of the following best describes a DNA molecule?

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

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

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

What is a gene

• A long length of DNA that codes for a chromosome

• A short length of DNA that codes for a chromosome

• A short length of DNA that codes for a protein.

The number of human chromosomes is

• 23

• 46

• 92

• 64

How are similarities passed from parent to offspring?

• through teaching
• through learning
• through blood
• through genes

A chromosome is best described as a

• gene that has more than one form.
  
• green cell found in many plants.
  
• strand of DNA containing genetic information.
  
• reproductive cell found in certain kinds of bacteria

There is a segment of DNA that codes for every trait that a person has. These segments of DNA are found on
chromosomes and are called ________.

• Deoxyribonucleic acid
• Genes
• Heredity
  
• Recessive Traits

A single piece of coiled DNA found in the cells; contains genes that encode traits.

• gene
• chromosome
• trait
• DNA

What is the relationship between DNA and chromosomes?

• Chromosomes are made of DNA
• DNA is made of chromosomes
• DNA and chromosomes are the same thing.
• All of the above are correct