Bio 105 Study Guide For Exam 3 November 18, 2013
Cell Division – Chapter 8
What is the difference between mitosis and meiosis?
Describe what happens during mitosis.
How do the cells produced during mitosis compare with the original cell that divided?
What are homologous pairs?
What are sex chromosomes?
How many pairs of homologous chromosomes are found in human cells?
How many total chromosomes are found in human cells?
What are alleles?
What are homozygous and heterozygous alleles?
What are gametes?
What is haploid? What type of cell division produces haploid cells?
What is diploid? What type of cell division produces diploid cells?
Describe the events that take place during meiosis.
How do the cells that result from meiosis compare with the original cell that divided?
Inheritance - Chapter 9
Who is Gregor Mendel?
What are the hereditary units identified by Mendel?
Today the different versions of these hereditary traits are known as?
What are dominant and recessive alleles?
How is each represented when visualizing genotypes?
What are homozygous alleles? Heterozygous alleles?
What is genotype? Phenotype?
What is a Punnett square?
What is represented by letters across the top and left side of a Punnett square?
What is represented by letters in blocks inside a Punnett square?
Use a Punnett square to show how a 3:1 ratio of dominant:recessive phenotypes is
obtained when crossing two individuals heterozygous for a single trait (Tt).
Use a Punnett square to show how a 1:1 ratio of dominant:recessive phenotypes is
obtained when crossing a heterozygous individual (Tt) with a homozygous recessive (tt).
Use a Punnett square to show how 100% of offspring exhibit the dominant phenotype
when crossing a heterozygous individual (Tt) with a homozygous dominant (TT).
What is Mendel’s Law of Segregation?
What is Mendel’s Law of Independent Assortment?
How do these laws influence the ratio of genotypes and phenotypes found among a
What are sex-linked traits? How does their distribution in a population differ from traits
that arise from genes on other chromosomes?
DNA Structure and Function – Chapter 10 Describe the structure of DNA.
What parts of DNA are similar in all organisms and what parts differ among individuals?
What types of nitrogenous bases are found in DNA? Which bases form pairs?
Where in a DNA molecule is the genetic information chara