Download DNA Assignment

DNA
Instructions: go to www.dnaftb.org 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?