Transcript enetics Intro ppt

Admit Slip
5/19/16
What is the probability of each of these
scenarios? Write down answers in journal.
1. You toss a coin in the air, what are the odds that it will land on heads?
2. You toss a coin in the air, what is the probability it will land on tails?
3. You toss a coin in the air twice, what is the probability that it will land
on tails both times?
4. A couple is about to have a baby what are the chances it will be a girl?
5. What are the chances a couple will have two girls in a row?
6. What is another term for probability?
7. What is the probability a couple will have a girl if they already have 4
girls?
Date:
You do NOT need to re-write the question!!
5/19/16
Topic:
Genetics Intro
Page # ___
Date:
5/19/16
Topic:
Genetics Intro
Page # ___
Today in Room 326/311…
HW: Create your own punnet square problem
CONTENT OBJ: SWBAT use genetics vocab in context and
complete punnet square problems
LANG. OBJ: SW read the powerpoint/worksheet, discuss in
pairs, write notes and listen to directions
ANNOUNCEMENTS: Grades updated; progress reports due.
AGENDA:
AS: Probability (10 min)
Genetics Brainstorm (5 min)
Genetics Vocab Activity (20 min)
Vocab Review (10 min)
Dragon Genetics (20 min)
Punnet Squares (15 min)
Genetics
What do you know?
Language of Genetics
Genetics = Study of genes and heredity
LOTS of new vocab words
Will pass out the words, and you will go find their
definitions around the room.
You will write the definition next to the correct
word.
Hold onto this for your notes!!!
Watch dominant vs. recessive video:
https://www.youtube.com/watch?v=mnSkz8s-b44
Mini Vocab Review
Gene = segment of DNA (ex. hair color)
Allele = different version of a gene (brown vs. blonde)
Genotype = letters that represent a gene (BB, Bb, bb)
Phenotype = physical features from a gene (brown/blonde)
Dominant = strong, overpowering, Capital Letter (B)
Recessive = weak, needs double, Lowercase Letter (b)
Which genotypes are
homozygous vs.
heterozygous?
Brown vs. Blonde
Brown hair (B) is dominant to blonde hair (b).
What color hair does the person have, based on
their genotype?
BB = ______________
bb = ______________
Bb = ______________
Dragon Genetics POGIL
READ THE WHOLE THING!!
It gives you all the information you need.
Complete in pairs and return to me.
(Will be collected)
Punnet Squares
Brown eyed heterozygous father
Brown eyed heterozygous mother
Genotypes?____________________
How can brown eyed people
have a blue eyed child?
Making Punnet Squares
Bird Babies
What percent of the
offspring will be blue?
Practice Problems
A guinea pig heterozygous for black fur has
babies with a brown guinea pig. Black is
dominant over brown.
What are the phenotypic ratios of their offspring?
(What percent will be each color?)
x
= ?
Homework
Write your own Punnet Square Problem and
complete it.
Your answer should include a Punnet Square
and a probability/percentage answer.