1. 1/8 & 1/9 - 7th Grade Agenda
Learning Objective: Learn about Human Traits
Collect HW Genetic Activities Worksheet
Genetics Lab
Video: Hybrid Animals
Video: Private Lives of Plants
Text Book Reading: 192 – 194
HW: Reading & Note taking p. 102 – 103
Reminder HW: Science Fair Background due 1/13 & 1/14 (10 Points)
Last day to turn in late work for the semester: 1/13 & 1/14

2. Reflection
Prompt: Write 2 differences between DNA and RNA

3. Last Day to Turn in Latework for this Semester 1/13 & 1/14

4. DNA vs RNA DNA RNA Copy One Strand Leaves the nucleus Master Copy
Two Strands
Never leave nucleus
Copy
One Strand
Leaves the nucleus

5. Mutation

6. Mutation nge tein type Mutation means “cha_____” in Latin
Mutation can cause a cell to produce an incorrect pro____ during protein synthesis.
As a result, the organism’s trait, or pheno____, may be different from what it normally would have been.
nge
tein
type

7. Hybrid Animals Donkey Horse Mule
All male and most female mules are infertile
More intelligent than a donkey
More endurance than a horse
Requires less food than a horse
Mule

8. Ligers = Male Lion + Female Tiger

9. More Ligers

10. Tigon = Male Tiger + Female Lion

11. Zorse = Male Zebra + Female Horse

12. Wholphin = Dolphin + False Killer Whale

13. Wolfdog = Wolf + dog

14. House Cat + African Cat
African Cat

15. Tangelo = Tangerine + Grape Fruit

16. Some human traits are controlled by a single gene that has more than two alleles
Blood type is controlled by three Alleles
What are the major human blood types?
A, B, AB & O
Which human blood type is a universal donor?
Blood Type: O

17. Many human traits are controlled by many genes
Four genes control height in humans
Skin, eye and hair color are controlled by multiple genes

18. What are the Female Sex Chromosomes?XX

19. What are the Male Sex Chromosomes?XY
Because there is some missing genetic information in the “Y” chromosomes, Males are more likely to get a sex-linked trait

20. Who determines whether the child is a boy or a girl ?
Father

21. How many pairs of chromosomes do humans have?23