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February 22, Week #
7
NB-96
Learning Target: I will
Agenda:
• Show my knowledge of
DNA, heredity, Punnett
squares and mutations
• Homework check (NB-93)
• Review
• Genetics test
Homework:
• NB-93! 
Essential Question:
• What was the most
interesting thing
that you learned
from genetics?
If your notebook was not graded:
1. You didn’t have a table of contents
2. Papers were falling out of your notebook
3. Your notebook was not organized by the
pages we use
To correct this problem, you may correct the
problem and turn it in for FULL credit by
Friday.
Notebook Grades:
18+= A
16-17= B
14-15= C
A Notebooks
• Arlene
• Damaris
• Andrea D
• Alejandra G
B Notebooks
• Stephanie
• Edith
• Alexa
One side of a DNA ladder has the
base pairs in the following order:
ATCGGTTCCA. What is the
order of base pairs on the other side
of the DNA ladder?
a. TAGCCAAGGT
c. ATCGGTTCCA
b. CGATTGGAAC
d. GCTAACCTTG
One side of a DNA ladder has the
base pairs in the following order:
ATCGGTTCCA. What is the
order of base pairs on the other side
of the DNA ladder?
a. TAGCCAAGGT
c. ATCGGTTCCA
b. CGATTGGAAC
d. GCTAACCTTG
A purple flower with genotype
PP is crossed with another purple
flower with genotype Pp. What is
the offspring’s phenotype?
a. Pp, PP, PP, PP
b. purple
c. white
d. white or
purple
A purple flower with genotype
PP is crossed with another purple
flower with genotype Pp. What is
the offspring’s phenotype?
a. Pp, PP, PP, PP
b. purple
c. white
d. white or
purple
For each trait, pea plants contain
two forms of the same gene.
These different forms of the same
gene
are called:
a. alleles
b. genotypes
c. chromosomes
d. All of the
above
For each trait, pea plants contain
two forms of the same gene.
These different forms of the same
gene
are called:
a. alleles
b. genotypes
c. chromosomes
d. All of the
above
Sex cells carry ____ alleles for a
given gene.
a. 1
b. 4
c. 8
d. 2
Sex cells carry ____ alleles for a
given gene.
a. 1
b. 4
c. 8
d. 2
Genetics is the:
a. study of heredity.
b. a characteristic that can be
passed on.
c. phenotype of an organism.
d. study of pea plants.
Genetics is the:
a. study of heredity.
b. a characteristic that can be
passed on.
c. phenotype of an organism.
d. study of pea plants.
What are the two alternating
molecules that make up the two
sides of the DNA ladder?
a. Protein and phosphate
b. Sugar and phosphate
c. Protein and nucleotide
d. Protein and sugar
What are the two alternating
molecules that make up the two
sides of the DNA ladder?
a. Protein and phosphate
b. Sugar and phosphate
c. Protein and nucleotide
d. Protein and sugar
A ____ is the form of a gene that,
when present, covers up the
appearance of the ____.
a. recessive allele, dominant allele
b. dominant allele, recessive allele
c. recessive gene, dominant gene
d. dominant gene, recessive gene
A ____ is the form of a gene that,
when present, covers up the
appearance of the ____.
a. recessive allele, dominant allele
b. dominant allele, recessive allele
c. recessive gene, dominant gene
d. dominant gene, recessive gene
A gene:
a. determines an organism’s
traits.
b. is a segment of DNA located
on chromosomes.
c. typically contains one allele
from each parent.
d. All of the above
A gene:
a. determines an organism’s
traits.
b. is a segment of DNA located
on chromosomes.
c. typically contains one allele
from each parent.
d. All of the above
A ____ is a change in the
hereditary material of an
organism.
a. DNA sequence
b. genetic disorder
c. mutation
d. chromosome
A ____ is a change in the
hereditary material of an
organism.
a. DNA sequence
b. genetic disorder
c. mutation
d. chromosome
The 4 bases of DNA are:
a. AGTC
b. AUTC
c. AGUC
d. AGTU
The 4 bases of DNA are:
a. AGTC
b. AUTC
c. AGUC
d. AGTU
An organisms genotype
describes:
a. its physical characteristics.
b. the alleles of the gene it
contains.
c. the form of a trait it displays.
d. the way it looks.
An organisms genotype
describes:
a. its physical characteristics.
b. the alleles of the gene it
contains.
c. the form of a trait it displays.
d. the way it looks.
Complete the Punnett Square
T
t
t
___
___
t
___
___
Complete the Punnett Square
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Tt
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Test time!
• Fill out the scantron with:
– Your name
– Period
– Subject= genetics
Exit Slip: Use a half sheet of
paper to use 6 words from the
word wall in a summary.
Examples:
• When I learned about _____ we used the
words ____ and _____.
• The term ____ refers to…
• The word ____ means…
• To ____ is to…