AP Biology - Unit 5: Genetics Review
Authored by S. Baker
Biology
11th - 12th Grade
NGSS covered
Used 891+ times
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This AP Biology genetics review quiz focuses on the fundamental concepts of inheritance patterns, meiosis, and genetic analysis that form the core of Unit 5 genetics curriculum. Designed for 11th and 12th grade students, the quiz comprehensively assesses understanding of Mendelian genetics including dominance relationships, sex-linked inheritance, and pedigree analysis, as well as the cellular mechanisms of meiosis that generate genetic diversity. Students need to demonstrate mastery of probability calculations for inheritance patterns, understand the relationship between meiosis and genetic recombination, analyze gene mapping through recombination frequencies, and interpret pedigrees to determine modes of inheritance. The questions require students to apply knowledge of crossing over, independent assortment, nondisjunction, and chi-squared statistical analysis, demanding both conceptual understanding and quantitative reasoning skills essential for advanced biology coursework. Created by S. Baker, a Biology teacher in the US who teaches grades 11 and 12. This quiz serves as an excellent review tool for students preparing for the AP Biology exam, particularly targeting the genetics unit that consistently appears on the standardized assessment. Teachers can effectively utilize this resource for formative assessment to gauge student understanding before summative evaluations, as a comprehensive review session prior to unit tests, or as targeted practice for students who need additional reinforcement of genetic concepts. The quiz format makes it ideal for both classroom warmup activities and homework assignments that allow students to self-assess their mastery of key genetics principles. This assessment aligns with AP Biology Learning Objectives related to heredity (Big Ideas 1 and 3) and supports students in developing the analytical skills necessary for success on AP exam free-response questions involving genetic crosses, pedigree analysis, and statistical interpretation of biological data.
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A couple has six children, all daughters. If the woman has a seventh child, what is the probability that the seventh child will be a daughter?
6/7
1/7
1/36
1/2
Tags
NGSS.HS-LS3-3
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In llamas, coat color is controlled by a gene that exists in two allelic forms. If a homozygous yellows llama is crossed with a homozygous brown llama, the offspring have gray coats. It two of the gray-coated offspring were crossed, what percentage of their offspring would have brown coats?
0%
25%
50%
75%
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following descriptions does not apply to meiosis?
During the first division, the sister chromatids travel to opposite ends of the cell.
The chromosome number of the daughter cells is half that of the parent cell.
The homologous chromosomes synapse and form tetrads prior to the first division.
The cytoplasm of the cell and all its organelles are divided approximately in half.
Tags
NGSS.HS-LS3-2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In humans, hemophilia is an X-linked recessive trait. If a man and a woman have a son who has hemophilia, which of the following is definitely true?
The mother carries an allele for hemophilia.
The father carries an allele for hemophilia.
The boy's paternal grandfather has hemophilia.
Both parents carry an allele for hemophilia.
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following explains a significantly low rate of crossing over between two genes?
The genes are located very close together on the same chromosomes.
They are located on separate but homologous chromosomes.
The genes code for proteins that have similar functions.
The genes code for proteins that have very different functions.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If a woman has type A blood, and her child has type O blood, the father must have which of the following blood types?
AB or B
AB, or A
A, B, O
O only
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-1
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
All of the following contribute to genetic recombination or variation in offspring EXCEPT
random fertilization
independent assortment
crossing over.
gene linkage.
Tags
NGSS.HS-LS3-2
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