Mendelien Genetics Study Guide—AP Biology
Review Campbell Chapters 14 and 15 for this test.
Vocabulary:
true-breeding
phenotype
genotype
homozygous
heterozygous
self-cross
testcross
hybrid cross
chromosome duplication
chromosome deletion
chromosome inversion
chromosome translocation
dihybrid cross
pleiotrophy
epistasis
multifactorial inheritance
Concepts:
Be familiar with Mendel’s experiments, his results for P1 and F1 crosses and conclusions
he drew from them
Law of segregation
Law of independent assortment
Be able to use the laws of probability/multiplication and additive rules (especially to
solve complex problems)—Note: Read Section 14.2 in Campbell (pp. 258-259)
Incomplete dominance—Concept understanding and ability to work these kinds of
problems
Codominance—Concept understanding and ability to recognize it in a problem
Multiple alleles—Concept understanding and ability to work these kinds of problems
Polygenic inheritance—Concept understanding, ability to recognize it in a problem and
examples
Function of SRY gene (Campbell Section 15.3 pp. 282-283)
Sex-linked (X-linked) inheritance—Concept understanding and ability to work these
kinds of problems
Be familiar with the symptoms and the cause of the following genetic diseases:
Cystic fibrosis
Down syndrome
Sickle cell anemia (Disease and trait)
Klinefelter syndrome
Huntington’s disease
Turner syndrome
Tay-Sachs disease
phenylketonuria (PKU)
hemophilia
Duchenne muscular dystrophy
Environmental impact on phenotype—(Campbell p.264)
Be able to look at a pedigree chart and determine genotypes and/or probability of possible
genotypes
Gene linkage and crossing over
Linkage maps
The relationship between chromosome mapping and crossing over
Barr body (Campbell p. 284)
Polyploidy and how it occurs