B5 - Genes and variation

What do you call a small section of DNA?

• Chromosome

• Gene

• Nucleus

• Base pairs

What joins the two strands of DNA together?

What does the order of DNA bases determine?

What is the term used to describe different versions of the same gene?

• Allele

• Gene

• Chromosome

• Bases

Tick the 2 variations that would be caused by having different alleles

• different eye colour

• different hair colour

• different piercings

• different scars

Variation in a population is caused by having different.................

Where is DNA found in a cell?

Humans having different eye colors is an example of ............

• evolution

• variation

• transpiration

Blood type is an example of..........

• Inherited characteristic

• Environmental characteristic

Height is an example of..........

• Inherited characteristic

• Environmental characteristic

• Both