Name:__________________________
Date: ____________Period:_____
Agenda Week of 9 Feb – 13 Feb 2009
Unit 4 Genetics-Heredity Exam 2/12/09 and 2/13/09
Class website:
www.marric.us/teaching
Exam Review Questions
Monday 2/9/09
Holiday
Tuesday 2/10/09 (2:30 -4:30
LEAP)
- Study guide completed
- Discuss Huntington’s
Pedigree
HW: Review Study Guide
Last day for any late work –
Wednesday 2:30
Wednesday 2/11/09
Review for EXAM
HW: Overview vocabulary /SG due
2/12/09
Thursday 2/12/09 – Block
Day
HW: Portfolio summary page
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
Suppose an animal is heterozygous AaBb, 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?
In which situation are the phenotypes of F2 offspring expected to follow the
ratio of 9:3:3:1
Friday 2/13/09 – Block Day
HW: Portfolio summary page
Parents/Guardian –



I have reviewed my child’s
activities and homework for
the week of 2/9/09 –
2/13/09.
I understand that is important
for me to make sure that my
child is studying to be
prepared for the Exam on
Thursday/Friday, and has
completed all assignments this
week.
No work for Unit 4 will be
accepted after Wednesday at
2:30 pm except for this
agenda and the unit overview
Parent/Guardian Printed Name
The diagram above shows homologous chromosomes during
_____________________ of meiosis. Which of the following
correctly describes the process being illustrated?
A
B
C
D
mutation in which the DNA content of the gene is altered
segregation of sister chromatids
condensation and segregation of alleles
crossing-over in which alleles are exchanged
Signature
Date
Bell Ringers: Week of 9 Feb – 13 Feb 2009
Monday – Lincoln’s Birthday – no school
Tuesday - DNA in an individual’s gametes will most likely be altered before being passed to offspring if
exposed to_____________________
A x-rays
B loud sounds
C magnetic fields
D extreme temperatures
In fruit flies, the gray body color (G) is dominant to the ebony body color (g). What is the genotypic ratio of
the offspring of a heterozygous gray female and an ebony male?
A 25% Gg, 75% gg
B 50% Gg, 50% gg
C 75% gray, 25% ebony
D 100% gray
In Mendel’s experiments with a single trait, the trait that disappeared in the first generation and reappeared
in the next generation is called the ______________________
A homozygous trait
B dominant trait
C recessive trait
D heterozygous trait
Wednesday –
This process is known as
A meiosis.
B mitosis.
C endocytosis.
D phagocytosis.
If a corn plant has a genotype of TtYy, what are the possible
genetic combinations that could be present in a single grain of
pollen from this plant?
If a human baby boy inherits a recessive allele from his mother,
in which circumstance would he most likely show the trait coded
for by the recessive allele.
a) The baby inherits the dominant allele form his father
b) The allele is on an autosomal chromosome and the baby is a
twin.
c) The allele is on the X chromosome.
d) The allele is on the Y chromosome.
Thursday/Friday - EXAM