AP®︎ Biology: Topic 5.3 Practice Test
Prepare for your quiz, test, or the AP exam with focused practice questions on Topic 5.3 of AP Biology – Mendelian Genetics.
Questions List
Topic 5.3
Question 1 Easy
This question tests the following: IST-1.I.1
What principle states that alleles for a gene separate during gamete formation?
What You’re Being Tested On:
Explore the learning objectives taken directly from the College Board’s AP® Biology Curriculum. Ensure you’re prepared for the exact topics covered on the AP® exam, in-class tests, and quizzes, and gain confidence in your mastery of the material.
Topic 5.3: Mendelian Genetics
Learning Objective: 5.3.A
Explain the inheritance of genes and traits as described by Mendel’s laws. Patterns of inheritance (autosomal, genetically linked, sex-linked) and whether an allele is dominant or recessive can often be predicted from data, including pedigrees. Punnett squares can be used to predict the genotypes and phenotypes of parents and offspring.
Essential Knowledge: 5.3.A.1
Mendel’s laws of segregation and independent assortment can be applied to genes that are on different chromosomes.
Essential Knowledge: 5.3.A.2
In most cases, fertilization involves the fusion of two haploid gametes, restoring the diploid number of chromosomes and increasing genetic variation in populations by creating new combinations of alleles in the zygote. i. Rules of probability can be applied to analyze the passing of single-gene traits from parent to offspring. ii. Monohybrid, dihybrid, and test crosses can be used to determine whether alleles are dominant or recessive. iii. An organism’s genotype is the set of alleles inherited for one or more genes by an individual organism. An organism’s genotype can be homozygous or heterozygous for each gene. iv. An organism’s phenotype is the observable expression of the inherited traits. RELEVANT EQUATIONS Laws of Probability: If A and B are mutually exclusive, then: P ( A or B ) = P ( A ) + P ( B ) If A and B are independent, then: P ( A and B ) = P ( A ) × P ( B )
Learning Objective: 5.3.A
Explain the inheritance of genes and traits as described by Mendel’s laws. Patterns of inheritance (autosomal, genetically linked, sex-linked) and whether an allele is dominant or recessive can often be predicted from data, including pedigrees. Punnett squares can be used to predict the genotypes and phenotypes of parents and offspring.
Essential Knowledge: 5.3.A.1
Mendel’s laws of segregation and independent assortment can be applied to genes that are on different chromosomes.
Essential Knowledge: 5.3.A.2
In most cases, fertilization involves the fusion of two haploid gametes, restoring the diploid number of chromosomes and increasing genetic variation in populations by creating new combinations of alleles in the zygote. i. Rules of probability can be applied to analyze the passing of single-gene traits from parent to offspring. ii. Monohybrid, dihybrid, and test crosses can be used to determine whether alleles are dominant or recessive. iii. An organism’s genotype is the set of alleles inherited for one or more genes by an individual organism. An organism’s genotype can be homozygous or heterozygous for each gene. iv. An organism’s phenotype is the observable expression of the inherited traits. RELEVANT EQUATIONS Laws of Probability: If A and B are mutually exclusive, then: P ( A or B ) = P ( A ) + P ( B ) If A and B are independent, then: P ( A and B ) = P ( A ) × P ( B )
