CLASS START
• 1. What do you think we will study when
we study genetics?
• 2. Who do you look like in your family?
• 3. Has anyone seen a baby being born of
a human or animal?
• 4. What is probability?
Chapter 11-1 pages 263-266
• Genetics:
• Gregor Mendel:
• Fertilization:
• True Breeding:
Vocabulary for Genetics
•
•
•
•
•
•
Traits:
Hybrids:
Genes:
Alleles:
Gametes:
Segregation:
CLASS START
• Flip a coin a your table. Predict
how many times it will be heads
and how many times it will be
tails in the 10 flips. Was your
prediction correct?
• If using probability what should
the outcome be?
• Do you think this is the same for
genetics?
11-2 pages 267-269
•
•
•
•
•
•
•
•
Probability:
Punnett Square:
Homozygous:
Heterozygous:
Genotype:
Phenotype:
Dominant:
Recessive:
Probability of Offspring’s
Gender
Blood Types
1.
2.
3.
4.
AB : rarest blood type: universal acceptor
B
A
O : Universal donor; Recessive blood type
• Cross a male with AB blood type with a
female with type A recessive blood.
• Cross a female with A dominant blood
with male B dominant blood.
Practice Punnett Square
Problems
1. Cross 2 hybrid tall pea plants.
2. Page 269 question # 5.
3. Brown is dominant in eye color, and blue
is recessive. Cross a heterozygous brown
eyed person with a homozygous brown
eyed person.
CLASS START
• 1. For each genotype below, indicate
whether Heterozygous (He) or Homozygous
(Ho)
a. TT b. Bb c. DD d. tt e. FF f. Dd
g. BB h. RR i. Ii j. Tt k. SS l. bb
• 2. Tall is dominant. Cross a purebred short
with a hybrid tall person.
11-3 pages 270-274
•
•
•
•
•
Independent assortment:
Incomplete dominance:
Codominance:
Multiple alleles:
Polygenic traits:
CLASS START
•PAGE 266
SECTION
ASSESSMENT
#1-6.
Chapter 11-4 pages275- 278
• Homologous:
• Diploid:
• Haploid:
• Meiosis:
• Tetrad:
• Crossing over:
CROSSING OVER
Table of Comparison Mitosis to
Meiosis
• See Microsoft document attached
• Video of Meiosis
• Drawing of meiosis on plain white paper.
CLASS START
•Section
Assessment
page 278 #1-5.
Chapter 11-5 pages 279-280
• Chromosomes assort independently not
individual genes.
• Gene maps:
CLASS START
•Pages 283 and
285 multiple
choice questions
only.