Name:__________________________
Date: ____________Period:_____
Agenda Week of 24 Jan – 28 Jan 2011 Unit 4 Genetics-Heredity Exam 2/12/11
Class website: www.marric.us/teaching
Monday 1/24/11
Collect Genetic Prac Prob #5
Sex –Linked Prac Prob #6
Ch 11 ppt
HW: Genetics Problems #6 due Wed
Chapter 11 SG due 1/26/11
Tuesday 1/25/11
- Unit 4 Quiz 3
- Genetics Sex-Linked ppt practice
HW: Genetics Problems #6
Wednesday 1/26/11 –Late Start
Ch11 ppt/Dihybrid Cross Example 1 and 2
independent practice
HW: Dihybrid Cross GPP #7
Thursday 1/27/11 –
- Ch 11 ppt
- Karyotyping Lab –
HW: Unit Study Guide
Friday 1/28/11 –
- Karyotyping Lab – Finish
- Pedigree Practice
- Genetics Formative #2
HW: Rewrite /finish Pedigrees and Study Guide
Parents/Guardian –

I have reviewed my child’s activities and
homework for the week of 1/24/11 – 1/28/11.

I understand that is important for me to make
sure that my child is studying to be prepared
for the Quiz on 1/25/11 and has completed
all assignments this week.

Next Week we will begin Evolution and Natural
Section course material while reviewing for
our Genetics Unit 4 Exam and preparing the
Genetics Unit Portfolio.
Parent/Guardian Printed Name
Unit 4 Quiz 4 Feb 1 Vocab Review Matching
A man with a certain syndrome marries a woman who is
normal for that trait. They have 6 children, three girls
and three boys. All of the girls have the same syndrome
as the father whereas none of the boys is affected.
Which type of heredity is not possible here?
2. Given that the dominance hierarchy of rabbit fur
color alleles is C > Cch > Ch, from grey to chinchilla to
Himalayan, respectively, what would be the percentage
of Himalayan colored rabbits from parents with C C h
and Cch Ch?
3. A cross between a white rooster and a black hen
results in 110% blue Andalusian offspring. When two of
these blue offspring are mated, the probable phenotypic
ratio seen in their offspring would be:
4. In mice, black is dominant to white color and color is
determined by a single gene. Two black mice are
crossed. They produce 2 black offspring and one white
offspring. If the white offspring is crossed with one of
its parents, what percent of the offspring are expected
to be white?
5. A diploid cell with two homologous pairs of
chromosomes. Due to independent assortment, the
possible allelic combinations that could be found in
gametes produced by the meiotic division of this cell
are ____.
6. Suppose an animal is heterozygous AaBbCc, and the
traits are not linked. When meiosis occurs, what
is the total number of possible combinations of
gametes that can be made for these traits? List
for EC
In which situation are the phenotypes of F2 offspring
expected to follow the ratio of 9:3:3:1
Signature
Date
Bell Ringers: Week of 24 Jan – 28 Jan 2011
Monday – What is an advantage of sexual reproduction over asexual
reproduction?
a) It allows for rapid reproduction.
b) It takes advantage of desirable environmental conditions.
c) It improves a species' ability to evolve.
d) It produces offspring genetically identical to the parent.
Why is it important for the cells of multi-cellular organisms to undergo mitosis?
a) Mitosis allows for reproduction with male and female gametes.
b) Mitosis increases variation within an organism.
c) Mitosis produces cells that are different from the original dividing cell.
d) Mitosis produces identical cells to the original dividing cell.
Explain the difference between asexual and sexual reproduction.
Tuesday Deer share the open plains with other grazing animals and predators. Which of the following would lead to a decrease
in the deer population?
a) a reduction in the predator population.
b) an increase in the number of other grazing animals.
c) a reduction in the grazing animal population.
d) an increase in restrictions on the hunting of deer.
Wednesday – Mutations that are lethal in homozygous individuals can survive in a population by being carried by ___.
a. codominant individuals.
b. heterozygous individuals.
Explain
c. homozygous dominant individuals.
d. homozygous recessive individuals.
Thursday Fur color in cats is controlled by an autosomal gene that can occur in the dominant form, (B) or the
recessive form (b). The length of the cats’ fur is controlled by another autosomal gene which occurs in the dominant
form (S), or the recessive form, (s). The table shows the traits for these traits for which these alleles code. The
following genotypes were found in a male cat (BbSs) and a female cat (bbSS) that mated.
Which one of the following choices is true of the phenotype of offspring from these parents?
a)
b)
c)
d)
All
All
All
All
offspring
offspring
offspring
offspring
will have black fur
will have white fur
will have long-haired fur
will have short-haired fur
Friday What phase of meiosis would you expect to see these structures? Explain
Gene
B
b
S
s
Trait
Black fur
White fur
Short- haired fur
Long – haired fur