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Heredity Study Guide
Hint: use your notes!
Chromosomes:
1. How many chromosomes do we have in our somatic (body) cells? ___________
2. How many chromosomes did we receive from mom? ________ Dad? __________
Mitosis and Meiosis notes:
3. List at least 3 differences between meiosis and mitosis.
Inheritance:
4. What did Gregor Mendel’s three principles state?
5. An individual who cannot roll their tongue crosses with an individual homozygous
for tongue rolling.
R= dominant rolling tongue gene
r= recessive, cannot roll tongue gene
Genotype = ______________________
Phenotype = ______________________
Complex traits notes:
6. Define and provide an example:
a. Incomplete dominanceb. Co-dominancec. Multiple allelesd. Polygenic-
7. Blood type:
a. How many alleles determine blood type? ____________
b. Define allelec. A female is heterozygous blood type A and the
male is homozygous blood type B. Could their
children be blood type A like their mom?
Genotype = ______________________
Phenotype = ______________________
X-linked traits notes:
8. X-linked recessive:
a. What is the genotype for a female carrier?
b. What is the genotype for a male carrier?
__________
__________
c. Male patterned baldness is an X-linked recessive trait. The mother is a
carrier and the father is not bald. Complete the Punnett square
d. What are the chances they will have a child
(male or female) with male patterned baldness?
e. Draw out a pedigree for this family, properly shading the individuals.