BOT 1010 Exam 3 Genetics 1 
BOT1010C
Botany
Exam III Take Home
Cell Cycles, Genetics, DNA, Protein Synthesis
Chapters 12-14
Instructions:
This take home exam is due one week from the day it was given. Read the exam carefully to make sure that you understand the questions. Be neat in your work. SINCE
THERE IS NOT A 60 MIN TIME LIMIT FOR WORKING ON THIS EXAM, GRAMMAR
AND SPELLING WILL COUNT!!!
1. (20 PTS) Fill in the blanks:
a. The father of modern genetics:
b. The describers of the structure of DNA:
c. A spot of DNA which codes for a specific protein:
d. The physical characteristics of an individual:
e. When two alternative alleles are fully apparent in the offspring:
f. Explain 3 characteristics of the structure of DNA:
1.
2.
3.
g. The nucleic acid which picks up amino acids in the cytoplasm and then takes them to the ribosome:
h. A change in the base sequence of the organism's DNA:
2. (50 PTS) GENETICS: A plant geneticist crosses two pea plants. Both plants are heterozygous for the dominant tall gene (T) and heterozygous for the incompletely dominant genes for red (R) and white (W) flowers. Fill in the following values.
Find:
Parent 1
Parent 2
height
__________
__________
flowers
__________
__________
__________
__________
a: the phenotype of the parents:
b: the genotype of the parents:
c: complete Punnett's Square for the F1 generation:
F1
[question 2 - continuation] d: The ratio of genotypes of the possible offspring. {write out the genotypes (symbols) and the number of each of them}
e: The ratio of phenotypes of the possible offspring. {write out the phenotypes (word) and the number of each of them}
3. (30 pts) What is the value of transgentic plants and how are they beneficial to food production. What transgenetic plant do you think they should create and why.
Botany
Exam III Take Home
Cell Cycles, Genetics, DNA, Protein Synthesis
Chapters 12-14
Instructions:
This take home exam is due one week from the day it was given. Read the exam carefully to make sure that you understand the questions. Be neat in your work. SINCE
THERE IS NOT A 60 MIN TIME LIMIT FOR WORKING ON THIS EXAM, GRAMMAR
AND SPELLING WILL COUNT!!!
1. (20 PTS) Fill in the blanks:
a. The father of modern genetics:
b. The describers of the structure of DNA:
c. A spot of DNA which codes for a specific protein:
d. The physical characteristics of an individual:
e. When two alternative alleles are fully apparent in the offspring:
f. Explain 3 characteristics of the structure of DNA:
1.
2.
3.
g. The nucleic acid which picks up amino acids in the cytoplasm and then takes them to the ribosome:
h. A change in the base sequence of the organism's DNA:
2. (50 PTS) GENETICS: A plant geneticist crosses two pea plants. Both plants are heterozygous for the dominant tall gene (T) and heterozygous for the incompletely dominant genes for red (R) and white (W) flowers. Fill in the following values.
Find:
Parent 1
Parent 2
height
__________
__________
flowers
__________
__________
__________
__________
a: the phenotype of the parents:
b: the genotype of the parents:
c: complete Punnett's Square for the F1 generation:
F1
[question 2 - continuation] d: The ratio of genotypes of the possible offspring. {write out the genotypes (symbols) and the number of each of them}
e: The ratio of phenotypes of the possible offspring. {write out the phenotypes (word) and the number of each of them}
3. (30 pts) What is the value of transgentic plants and how are they beneficial to food production. What transgenetic plant do you think they should create and why.