1. Monday January 9, 2017
Learning Target: Same as Friday 1/6 Science Starter: Turn to pages in workbook 2. How do you feel about Genotype& phenotype?
Supplies: Genetics Workbook & HW 15 & Probability and Genetic Crosses Page

2. Announcements Heartbeat
Vocabulary—Make flashcards or see Mrs. Hinds website for Quizlet
Test Wednesday over Punnett Squares
HW #15 due Tomorrow
Homework questions of the day:
1B, 1E, 2E, 3AB, 3CD, 3E, 5BC, 5DE
Homework question 4—only choose 1 of the 4 options…you do not have to do all 3

3. Probability—Write down the Green or bright yellow Extra page, pgs
Probability—Write down the Green or bright yellow Extra page, pgs in workbook
If you roll one die, what’s the probability of rolling a 6?
1/6
(1 out of 6)
If you pull one card from the deck, what’s the probability of getting the ace of hearts?
1/52
(1 out of 52)
If you flip a coin, what’s the probability of landing on heads?
1/2
(1 out of 2)

4. A Genetic Cross
Gregor Mendel (1865) discovered that probability could be used to predict the results of a genetic cross mating)?
If you know parent genotypes, you can predict offspring genotypes

5. A Genetic Cross ♀ Bb x ♂ bb Bb, Bb, bb, bb Example: Brown hair (B) is
If you know parent genotypes, you can predict offspring genotypes
Example:
Brown hair (B) is
dominant to blond hair (b).
What are the possible
genotypes for their
offspring? Bb bb
♀ Bb x ♂ bb
Bb, Bb, bb, bb

6. 2/4 (50%) chance of brown hair
A Genetic Cross
If you know parent genotypes, you can predict offspring genotypes
Example:
Brown hair (B) is
dominant to blond hair (b).
What is the probability that
the Incredibles’ next child
will have brown hair? Bb bb
♀ Bb x ♂ bb
Bb, Bb, bb, bb
2/4 (50%) chance of brown hair

7. Practice
In pea plants, smooth peas (S) are dominant to wrinkled peas (s).
A purebred smooth pea is crossed with a wrinkled pea.
♀ _____ x ♂ _____

8. Practice
In pea plants, smooth peas (S) are dominant to wrinkled peas (s).
A purebred smooth
pea is crossed with a
wrinkled pea.
Determine the possible
offspring genotypes &
phenotypes.
♀ SS x ♂ ss
Ss, Ss, Ss, Ss
100% chance of smooth peas

9. Practice In guinea pigs, dark fur (D) is dominant to light fur (d).
Cross a hybrid dark guinea pig with a light guinea pig.
♀ _____ x ♂ _____

10. Practice In guinea pigs, dark fur (D) is dominant to light fur (d).
Cross a hybrid
dark guinea pig with a
light guinea pig.
Determine the possible
offspring genotypes &
phenotypes.
♀ Dd x ♂ dd
Dd, Dd, dd, dd
50% chance of dark fur
50% chance of light fur

11. A Genetic Cross
If you know offspring genotypes, you can predict parent genotypes
Example:
Brown eyes (B) are
dominant to blue eyes (b).
If Dash’s genotype is bb,
what are his parents’
genotypes? Bb ? bb ? bb

12. Practice In guinea pigs, dark fur (D) is dominant to light fur (d).
Two dark-fur guinea
pigs produce a light-fur
offspring.
What is the genotype
of the offspring? dd

13. Practice In guinea pigs, dark fur (D) is dominant to light fur (d).
Two dark-fur guinea
pigs produce a light-fur
offspring.
What must the parent
genotypes be? Dd ? Dd ? dd

14. Punnett Squares
Created by Reginald Punnett (1900) to make predicting the outcome of genetic crosses easier
show all the possible
outcomes of a genetic
cross
show the probability
of each outcome
25%
25%
25%
25%

15. Punnett Squares Example: In dogs, short hair (S) is dominant to
show all the possible outcomes of a genetic cross
show the probability of each outcome
Example:
In dogs, short
hair (S) is
dominant to
long hair (s).
Determine the possible
offspring phenotypes.
♂ SS
S S
25% S s SS SS
♀ Ss Ss Ss
100% chance of short hair

16. Why Use a Punnett Square?
Most scientists study MANY traits at one time
It gets VERY confusing without a Punnett Square!

17. 50% chance of straight toes
Practice
In humans,
straight toes (S)
is dominant to curled toes (s).
Determine the possible
results for a cross
between a recessive
male & hybrid
female.
♂ ss
s s
25% Ss Ss S s
♀ Ss ss ss
50% chance of straight toes
50% chance of curled toes

18. Special Cases ? Incomplete dominance Example: Carnations
Neither allele is dominant
Hybrid = in BETWEEN phenotypes
Example:
Carnations
CRCR = ?
CRCW =
CWCW =

19. Special Cases ? Codominance Example: Cows Neither allele is dominant
Hybrid = BOTH phenotypes
Example:
Cows
HWHW = ?
HWHB =
HBHB =

20. Lets practice— turn to pgs. 23-24
Heterozygous—Hybrid (H)
Homozygous—Purebred (P)

21. Closing—Did we hit our learning Target?
Show Mrs. Hinds or Ms. Hall
Page 23 in your workbook
(Does not have to be complete)

22. Tuesday January 10, 2017
Learning Target: Use a Punnett square to predict the traits of offspring Science Starter: Turn in HW Pick up HW 16– 1A, 2A, 2CD 3. Turn to pages in workbook
Supplies: Genetics Workbook & HW 15 & HW 16 & Picture Vocabulary & Probability and Genetic Crosses Page

23. Announcements Heartbeat Test Thursday over Punnett Squares
Workbook Review Punnett Squares
Pgs
(These pages must be checked by Mrs. Hinds or Ms. Hall.)
If you finish these pages and are signed off, then you may begin Quizzizz. Stay tuned for GAME CODE
If you finish Quizzizz, then you may play Punnett Square basketball off the More tab and click on Useful Links.

24. Closing—Did we hit our learning Target?
Answer the following on a notecard:
Let’s say that long fur (L) is dominant to short fur (l). Can 2 purebred dogs with long fur have an offspring with short fur?
EXPLAIN!!!

25. Wednesday January 11, 2017
Learning Target: Same as Tuesday Do not rewrite…just write 1/11 Use a Punnett square to predict the traits of offspring Science Starter: HW 16— Question 4 (Work with your table Group)
Supplies: Genetics Workbook & HW 16 & Probability and Genetic Crosses Page

26. Announcements Heartbeat Test Tomorrow over Punnett Squares
Workbook Review Punnett Squares
Pgs
(These pages must be checked by Mrs. Hinds or Ms. Hall.)
I. If you finish these pages and are signed off, then you may begin Quizzizz. Stay tuned for GAME CODE
2. Oompah Loompa Genetics Practice page
3. If you finish Oompah Loompa, then you may play Punnett Square basketball off the More tab and click on Useful Links.

27. Closing—did we hit our Learning Target?
Exit Ticket: Draw the Punnett Square and answer the question on a notecard. Include possible genotypes & phenotypes.

28. Supplies: Genetics Workbook & HW 16 & Textbook after quiz
Thursday January 12, 2017
Learning Target: Same as Tuesday Do not rewrite…just write 1/12 Use a Punnett square to predict the traits of offspring Science Starter: HW 16—1D, 3AB, 3cD, 3E
Supplies: Genetics Workbook & HW 16 & Textbook after quiz

29. Announcements Review Video Punnett Squares
Turn in Workbook for grade on
Bikini Bottom Genetics #1 & #2, Bill Nye Genes
Test over Punnett Squares
After the test: Textbook Readings
Pg. 548(Sexual Reproduction)
Pgs (Advantages & Disadvantages of Sexual Reproduction)
Pg (Asexual Reproduction Disadvantages/Advantages of Asexual Reproduction)

30. Supplies: Genetics Workbook & HW 16 & TEKS Reading Book
Friday January 13, 2017
Learning Target: How do the offspring of sexual reproduction compare to the offspring of asexual reproduction? Science Starter: Return papers 2. Add to grade tracker pg.2 Test Punnett Squares HW 15 Bikini Bottom #1 (pgs ) Bikini Bottom #2 (Pgs ) Bill Nye Genes
Supplies: Genetics Workbook & HW 16 & TEKS Reading Book

31. Announcements Heartbeat Return papers and add to grade tracker
Homework Question of the day
HW 16—1B, 1c,1e, 2b
Reading Small Workbook—Genetics, TEKS, Summary, ?s
Pg. 92 and answer questions 1-4
(You may read with a partner…you have 6 minutes to complete this activity.)
Begin Sexual and Asexual Notes—pg. 46 in workbook
(I will help you fill in the chart on pg. 46)
Time permitting—Begin Fun Bugs!

32. Sexual Reproduction
A type of reproduction in which the genetic materials from two different cells combine, producing an offspring
The cells that combine are called sex cells
Female – egg
Male – sperm
Fertilization: an egg cell and a sperm cell join together
A new cell is formed and is called a zygote

33. Advantages: Sexual Reproduction
Diverse offspring: genetic variation among offspring
Half of the DNA comes from mom
Half of the DNA comes from dad
Due to genetic variation, individuals within a population have slight differences
Plants – resist diseases
Traits can develop to resist harsh environments that allows an organism survive

34. Disadvantages: Sexual Reproduction
Time and Energy
Organisms have to grow and develop until they are old enough to produce sex cells
Search and find a mate
Searching can expose individuals to predators, diseases, or harsh environmental conditions
Fertilization cannot take place during pregnancy, which can last as long as 2 years for some mammals.

35. Examples: Sexual Reproduction

36. Asexual Reproduction
One parent: organism produces offspring without fertilization
Uniform offspring:
Because offspring inherit all of their DNA from one parent, they are genetically identical to each other and to their parent

37. Fission: Asexual Reproduction
Fission: Cell division in prokaryotes that forms two genetically identical cells
DNA is copied
The cell begins to grow longer, pulling the two copies apart
The cell membrane pinches inward in the middle of the cell
Cell splits to form two new uniform, identical offspring
Examples: bacteria, Ecoli, pond critters

38. Budding: Asexual Reproduction
Budding: a new organism grows by mitosis and cell division on the body of its parent
The bud, or offspring is identical to the parent
The bud, when large enough, can break off of the parent and live on its own
Offspring may remain attached and form a colony
Examples: Yeast, Hydra, cactus

39. Regeneration: Asexual Reproduction
Regeneration: occurs when an offspring grows from a piece of its parent.
Producing new organisms: Sea Stars
Sea urchins, sea cucumber, sponges, and planarians
Producing new body parts: Gecko
Newts, tadpoles, crabs, hydra, and zebra fish

40. Vegetative Propagation: Asexual
Vegetative Propagation: uniform offspring grow from a part of a parent plant
Parent plants sends out runners
Where the runner touches the ground, roots can grow
A new plant is produced even if the runner is broken apart
Each new plant is uniform and identical to the parent.
Examples: strawberries, potatoes, ivy, crabgrass

41. Advantages: Asexual Reproduction
Enables organisms to reproduce without a mate
No wasted time and energy
Enables some organisms to rapidly reproduce a large number of uniform offspring

42. Disadvantages: Asexual Reproduction
Because their offspring are identical, there is no genetic variation that can give an organism a better chance for survival
Example: If a weed killer can kill the parent, it will also kill the offspring
A whole species can be wiped out from a disease
Dangerous mutations in DNA – if the parent has the mutation in their DNA, the offspring will have it too.

43. Examples: Asexual Reproduction

44. Begin FUN BUGS. You will need the parent set from Mrs. Hinds or Ms
Begin FUN BUGS! You will need the parent set from Mrs. Hinds or Ms. Hall
Workbook pgs

45. Closing—Did we hit our target
Pg. 6 in workbook–
Complete t-chart and you must show this to Mrs. Hinds or Ms. Hall

46. TUEsday January 17, 2017 Learning target: Compare sexual and asexual using the Fun Bugs Activity Science Starter: Using the chart and answer the question below on the back page of your workbook What do offspring 1b and 3a have in common, but not in common with 2a?
Trait
Family 1
Family 2
Family 3 1a 1b 2a 2b 3a 3b
Nose shape
Round
Pointed
Eye Shape
Almond

47. Trait
Family 1
Family 2
Family 3 1a 1b 2a 2b 3a 3b
Nose shape
Round
Pointed
Eye Shape
Almond
Offspring 1b and 3a both have the same genes, and different genes from offspring 2a

48. Punnett Squares #1—Four corners
In dogs the gene for tall dogs (D) is dominant over the gene for short dogs (d). If two tall dogs have puppies and the result is a short puppy, what genotype must each tall parent have?
A. DD
B. Dd
C. dd
D. It is impossible to have a short puppy from tall parents.

49. Punnett Squares #2—Four Corners
In hamsters brown fur (F) is dominant to white fur (f). A female hamster, purebred for white fur, has offspring with a male that is hybrid for brown fur. What percentage of their offspring will have brown fur?
A. 0%
B. 25%
C. 50%
D. 75%

50. Punnett Squares #3—Four Corners
Brown eyes (B) are dominant to blue eyes (b). If 2 parents are hybrids for brown eyes, what is the probability that they will have a child with blue eyes?
A. Impossible
B. 25%
C. 50%
D. 75%