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Mrs. Wilson's TRIMESTER 2 MIDTERM EXAM REVIEW Flashcards | StudBud
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Mrs. Wilson's TRIMESTER 2 MIDTERM EXAM REVIEW
Mrs. Wilson's TRIMESTER 2 MIDTERM EXAM REVIEW
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Evolution/Introduction to Genetics/Punnett Squares/ Pedigree Charts
Flashcards
44 cards
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Practice quiz
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Questions
44
Answers
1
The base A always bonds with ________.
G
C
T
A
2
Light colored peppered moths died after the industrial revolution because they were __________.
Weaker than the dark colored moths
hungrier than the dark colored moths
Unfit for their environment
Fit for their environment
3
Who is considered the father of evolution?
Wallace
Lynch
Mendel
Darwin
4
If an organism does not adapt in response to environmental pressures, it risks ______________.
nothing will happen
over population
dying out
becoming immortal
5
We represent recessive alleles with a _________________ letter.
the letter r
lines
capital
lowercase
6
Mendel came up with his Three Laws of Inheritance by observing __________________.
Corn Stalks
Roses
Pea Plants
Tomatoes
7
A carrier must be ___________________.
homozygous
recessive
heterzygous
dominant
8
In a pedigree chart, Roman numerals represent...
dominant alleles
Generations
families
recessive alleles
9
Based on the Punnett square, this is an example of ______________.
Incomplete dominance
Codominance
Complete Dominance
None of the above
10
A phenotype is the information contained within a gene.
False
True
11
Tom and Jen are heterozygous with brown eyes, their baby has blue eyes. Tom and Jen are _____.
Happy their baby is healthy
Carriers of the recessive blue allele
A great couple
sad because they wanted a boy
12
A fossil is found with 25 C-14 atoms and 25 N atoms. How many C-14 atoms did it begin with?
50
5,730
100
2,300
13
Blue eyes are an example of a _________________.
heterozygous
phenotype
homozygous
genotype
14
A genotype is impossible to see.
False
True
15
A red plant crossed with a white plant have offspring that are pink. This is an example of___.
codominance
complete dominance
Incomplete dominance
a miracle
16
A genotype is a physical trait.
False
True
17
If a fossil has two atoms of carbon and 6 atoms of nitrogen it must be about ___________
11,460 years old
2,865 years old
5,730 years old
17,190 years old
18
The half life of C-14 is 5,730 millimeters.
False
True
19
A,C,G, and T are examples of ________________.
cells
bases
ribosomes
genes
20
What is phenotype is missing from the Punnett Square below?
BB
Bb
bb
None of these answers are correct
21
How many half-life cycles have passed to have 4 atoms of C-14 and 4 atoms of N?
3
2
1
0
22
In biology, pedigree charts are like a _______________________.
bonsai tree
natural selection
family tree
flower
23
Pp is an example of a ________________.
Homozygous recessive genotype
Heterozygous genotype
none of the answers are correct
homozygous domimant genotype
24
What percent of alleles does each parent contribute to their offspring?
33%
100%
50%
25%
25
Define evolution.
When the Earth revolves around the Sun
A change in a population over time
A robust ecosystem
When oranges change into apples
26
Mutations are changes in an organism's _____________________ .
DNA
Food source
behavior
adaptation
27
Based on the Punnett square, what is the probability that they will have a kid with blue eyes?
50%
75%
25%
100%
28
If I want to find the exact age of a fossil, what type of dating would I use?
Relative dating
Helium dating
Radiometric dating
Internet dating
29
The base G always bonds with ____________.
A
C
T
G
30
A trait that is expressed in every generation is most likely _________________.
big
invisible
dominant
recessive
31
According to this pedigree chart, blue eyes are ______________________.
codominant
Dominant
Incomplete dominant
Recessive
32
Chromosomes are made out of genes, and genes are made out of _________________
bases
genotypes
traits
genes
33
What type of evolutionary evidence is pictured?
Comparative Anatomy
These are just bones
Embryology
DNA Comparison
34
Who is considered the father of genetics?
Mendel
Darwin
Garcia
Wallace
35
This is the famous ________________ photo.
"Snowflake"
"We are family"
"I like trees"
"I think"
36
We represent dominant alleles with a ________________ letter.
circle
capital
lowercase
triangle
37
What is the purpose of DNA?
To take up space
To move around the body
To make a ladder
To pass on heredity information
38
What is the genotype for an individual who is heterozygous with brown hair?
bB
bb
BB
Bb
39
A brown dog is crossed with a white dog. Their offspring are tan. This is an example of _______
Incomplete dominance
Incomplete codominance
Codominance
Complete dominance
40
Mimicry is when an organism ____________.
imitates a predator
screams, "What are those?"
blends in with its environment
acts like a squirrel
41
Adaptations are another name for _______________________.
behavioral changes
beneficial mutations
harmful mutations
physical changes
42
What do you need to have when you come to Mrs. Wilson's science class?
An attitude that says I'm ready to learn
All the answers are correct
Your science notebook
A pen
43
A zebra's stripes are it's ___________________.
way to survive
best quality
phenotypes
genotype
44
What does a darkened square or circle represent on a pedigree chart?
The trait that is not expressed
The expressed trait
Woman
2nd generation
