1. Heredity
Passing of traits from parent to offspring.

2. What are traits? Traits are characteristics that you inherit.
Can be easily observable like eye color or “invisible” like your blood type

3. What controls traits? Traits are controlled by genes.
Genes are segments (pieces) of DNA.
Genes are found on chromosomes.
Genes are passed from parents to offspring – 1 copy from each parent

4. Dominant and Recessive
Each gene in a pair is an allele
Offspring inherit one allele from each parent
The allele that shows if present is called dominant
The allele that is often masked (covered up) is called recessive

5. Common traits that are inherited.
Detached earlobe
Attached Detached (free)

6. Common traits that are inherited.
Rolled tongue.

7. Common traits that are inherited.
Dimples

8. Common traits that are inherited.
Curly hair
If you have wavy hair then say YES for curly
If you STRAIGHTEN your hair, but it’s normally curly/wavy, then say YES

9. Common traits that are inherited.
Cleft chin

10. Common traits that are inherited.
Hand clasp.

11. Common traits that are inherited.
Widows peak.

12. Common traits that are inherited.
Bent thumb (hitchhikers thumb)

13. Common traits that are inherited.
Finger hair.