DNA

Instructions: go to and click on "classical genetics". Read through each of the chapters and answer the questions as you go.

Chapter 1: Children Resemble Their Parents

a) Distinguish between the pistil and the stamen of a plant.

b) Do the problem set. Explain why it was important for Mendel to control certain factors in his experiment.

Chapter 2: Genes Come in Pairs

a) List all of the traits that Mendel examined in his experiment.

b) Go to Problem. Describe the steps you would need to take to get a pure-bred colored flowered plant.

Chapter 3: Genes Don’t Blend

a) After viewing the animation, go to Problem. What is the best way to determine what trait is dominant?

Chapter 4: Some Genes Are Dominant

a) Distinguish between a gene and an allele.

b) What happens when two heterozygous (yellow-seeded) plants are crossed? ______

c) Go to Problem: What is the genotype of the F1 plants?______

Chapter 5: Genetic Inheritance Follows Rules

a) View animation and go to Problem. What types of gametes will a TtYy plant produce? ______
b) How many of the offspring (from Problem) are tall, yellow? ______short, green? ______

c) What is the Law of Independent Assortment? ______

Chapter 6: Genes Are Real Things

a) Why does wood float? ______
b) How did Hooke define a cell? ______

Chapter 7: All Cells Arise from Preexisting Cells

a) What are the phases of mitosis? ______
b) What holds sister chromatids together? ______
c) Describe the position of the chromatids during metaphase: ______
d) What does "omnis celula e cellula" mean? ______

Chapter 8: Sex Cells Have One Set of Chromosomes, Body Cells Have Two

a) What organism did Theodor Bovari study? ______
b) During prophase 1 of meiosis, chromosomes form pairs called:______
c) Meiosis I ends with ______, there are ______daughter cells.
d) d) How many cells are there at the end of meiosis 2? ______

Chapter 9: Specialized Chromosomes Determine Gender

a) What are the two male chromosomes? ______Female? ______
b) How many chromosomes are found in female mealworms? ______
c) In humans, which parent determines the sex of the offspring? ______

Chapter 10: Chromosomes Carry Genes

a) What did Thomas Morgan study? ______
b) What offspring resulted from the mutant white eyed male and the red eyed female? ______
c) When these offspring were crossed, only the ______had white eyes.

Chapter 11: Genes Get Shuffled When Chromosomes Exchange Pieces

a) Summarize the idea of "linkage groups": ______
b) Linkage groups could be used to construct ______
c) What is "crossing-over"? ______

Chapter 12: Evolution Begins With the Inheritance of Gene Variations

a) What happens when plants self fertilize over many generations? ______
b) Hybrids yield more corn, this phenomenon is called ______.

Chapter 13: Mendelian Laws Apply to Human Beings

a) What is the name of the diagram used to track inheritance in humans? ______
b) Which of Victoria’s nine children had hemophilia? ______Was the child male or female?______
c) Which of her daughters were also carriers? ______
d) What happened to the Romanov family in Russia? ______

Chapter 14: Mendelian Genetics Cannot Fully Explain Human Health and Behavior

a) What is the ERO? ______
b) What is Farragut's famous quote? ______
c) Do you think love of the sea or fearlessness is something that we inherit in our genes?