Name:___________________________
Date: ____________Period:_____
Agenda Week of 11 Jan – 15 Jan
2010
Unit 4 Quiz 2 Jan 19
1/2The numbers in the figure represent the
Class website:
chromosome number found in each of the
www.marric.us/teaching
dog cells shown. The processes that are
Unit 4 Genetics-Heredity Exam
occurring at A and B are:
2/12-13/10
Monday 1/11/10
- Ch 10 Read along Section 3
- Meiosis Cooperative Assessment
HW: Study for Quiz
Tuesday 1/12/10
- Unit 4 Quiz 1
- Mendel’s Heredity Handout
HW: Chapter 10 SciNotebook due 1/14
Wednesday 1/13/10 –Late Start
- Genetics Vocabulary Introduction
HW: Chapter 10 SciNotebook due 1/14
3. Each egg and sperm cell contains a haploid number of
chromosomes. After fertilization, a zygote is formed having a
___________ number of chromosomes.
4. To describe how traits can disappear and reappear in a certain
pattern from generation to generation, Mendel proposed the
Thursday 1/14/10 –
- Genetics Practice Problem #1
HW: Genetics Practice Problems #2
5. One of the plants that the scientist is studying has an extra
copy of one chromosome in all its cells. This variation most likely
occurred during
Friday 1/15/10 – Rally Schedule
Smiley Genetics
HW: Genetics Practice Problems #3
Study for Unit4 Quiz 2
6. Crossing-over most commonly results in
.
7. Having two similar, dominant alleles for a trait is called
8. An organism in which two alleles for a trait are different is
Parents/Guardian –


I have reviewed my child’s activities and
homework for the week of 1/11/10 –
1/15/10.
I understand that is important for me
to make sure that my child is
studying to be prepared for the Quiz
on 1/19/10 and has completed all
assignments this week.
Parent/Guardian Printed Name
9. A true-breeding tall pea plant is crossed with a true-breeding
short pea plant, and all the offspring are tall. What is the most
likely genotype of the offspring assuming a single-gene trait?
10. A Punnett square problem from HW/Inclass work
Vocabulary words:
Autosomal
Birth defect
Recessive
Fertilization
Heterozygous
Signature
Phenotype
Genotype
Dominant
Dihybrid
Homozygous
Date
Bell Ringers: Week of 11 Jan – 15 Jan 2010
Monday – Explain four differences between mitosis and meiosis.
Tuesday Which diagram correctly illustrates the fusion of normal gametes that will most
likely produce a human male?
Explain what the x and y represent and how they were formed.
Wednesday –
Which event during meiosis leads to a reduction in chromosome number from 2n to n?
a.
Pairs of homologous chromosomes line up at the equator.
b.
DNA undergoes replication.
c.
Homologous chromosomes travel to opposite sides of the cell.
d.
Sister chromatids are pulled apart at the centromere.
Explain what 2n and n mean.
Thursday/Friday
During which phase of meiosis do homologous pairs of chromosomes line up next to one another along
the equator?
a.
anaphase I
b.
metaphase I
c.
prophase II
d.
metaphase II
During which phase of meiosis do sister chromatids line up next to one another along the equator?
a.
anaphase I
b.
metaphase I
c.
prophase II
d.
metaphase II
Which stage of meiosis is responsible for the law of independent assortment?
a.
metaphase I
b.
prophase I
c.
telophase I
d.
metaphase II
Explain the difference between homologous pairs of chromosomes and sister chromatids.
http://www.brooklyn.cuny.edu/bc/ahp/AVC/Genetics/VCB_Genet_HP.html
Name:_______________________________ Date:____________________ Period:______
Unit 4 Quiz 2 Jan 20 (20 points)
1/2The numbers in the figure represent the chromosome
number found in each of the dog cells shown. The
processes that are occurring at A and B are:
A_____________________________________
B_____________________________________
3. To describe how traits can disappear and reappear in a certain pattern from generation to
generation, Mendel proposed the___________________________________________
4. An organism in which two alleles for a trait are different is
5. One of the plants that the scientist is studying has an extra copy of one chromosome in all
its cells. This variation most likely occurred during
6. Crossing-over most commonly results in
.
7. Having two similar, dominant alleles for a trait is called
8. Each egg and sperm cell contains a haploid number of chromosomes. After fertilization, a
zygote is formed having a ___________ number of chromosomes.
9. A true-breeding tall pea plant is crossed with a true-breeding short pea plant, and all the
offspring are tall. What is the most likely genotype of the offspring assuming a single-gene
trait?
10. A heterozygous round seeded plant (Rr) is crossed with a homozygous round seeded plant
(RR). What percentage of the offspring will be homozygous (RR)? Show all work
Extra Credit
Vocabulary words Matching (11 – 21):
___________________
A. having to do with a body chromosome – not a sex chromosome
___________________
B. organisms that have identical alleles for a particular trait
___________________
C. physical appearance of an organism
___________________
D. A male and female gamete fuses
___________________
E. identically heterozygous at two loci for example: RrYy
___________________
F. organisms that have different alleles for a particular trait
___________________
G. an inherited anomaly that affects the functioning of an offspring
___________________
H. a trait that requires both alleles to be observed
___________________
I. a trait that is observed even if only one allele is present
___________________
A. genetic makeup of an organism
___________________
Reproduction that requires two parents
Heterozygous
Dominant
Sexual Reproduction
Phenotype
Dihybrid
Autosomal
Recessive
Fertilization
Birth defect
Homozygous
Genotype