AnswersGA-GSE Biology AApplications of DNA Technology

Applications of DNA Technology — Cumulative exam Answers

4 verified answers
41
Free Preview

During which stage of cellular respiration is glucose broken down into two molecules of pyruvic acid?

A
electron transport chain
B
glycolysis
C
Krebs cycle
D
acetyl CoA formation
42
Free Preview

How many homologous chromosome alignments are possible for independent assortment during meiosis?

A
one
B
two
C
three
D
four
43

Which type of plant is small and lives in a wet environment?

A
club moss
B
hornwort
C
fern
D
horsetail
44

Which best contrasts self-renewal and differentiation?

A
Only differentiation is a process that results from stem cell division.
B
Only differentiation creates more of the same types of cells.
C
Only self-renewal creates more of the same types of cells.
D
Only self-renewal depends on gene expression.
45

Drosophila eye color is an X-linked trait. Red eye color is dominant, and white eye color is recessive. Which Punnett square shows a cross in which the probability that offspring will be red-eyed males is 25 percent?

A
A Punnett square is shown. The columns are labeled Upper X r and Upper Y. The rows are labeled x Upper R and x Upper R. Clockwise, from top-left, the boxes include: X Upper R X r, X Upper R Y, X Upper R Y, X Upper R X r.
Option A
B
A Punnett square is shown. The columns are labeled Upper X r and Upper Y. The rows are labeled x Upper R and x r. Clockwise, from top-left, the boxes include: Upper X r Upper X r, Upper X r Upper Y, Upper X r Upper Y, Upper X r Upper X r.
Option B
C
A Punnett square is shown. The columns are labeled Upper X r and Upper Y. The rows are labeled x r and x r. Clockwise, from top-left, the boxes include: Upper X r Upper X r, Upper X r Upper Y, X r Upper Y, Upper X r Upper X r.
Option C
D
A Punnett square is shown. The columns are labeled Upper X Upper R and UpperY. The rows are labeled x r and x r. Clockwise, from top-left, the boxes include: Upper X r Upper X Upper R, Upper X r Upper Y, X r Upper X Upper R, Upper X r Upper X Upper R.
Option D
46

Which best describes fetal development?

A
The heart beats and is heard during the first trimester.
B
The heart beats and is heard during the second trimester.
C
The heart beats during the first trimester, but is heard in the second trimester.
D
The heart beats during the second trimester, and is heard in the third trimester.
47

Mutations within an organism can occur in body cells or reproductive cells. Which type of mutation is seen in a sperm cell but not in a skin cell?

A
somatic mutation
B
missense mutation
C
nonsense mutation
D
germline mutation
48

What role do specialized cells perform in establishing homeostasis?

A
Specialized cells work independently to perform their specific functions.
B
Specialized cells work only as a team to perform the functions of the body.
C
Specialized cells work independently as well as in a team to perform the functions of the body.
D
Specialized cells in the body perform all the functions that are necessary to maintain homeostasis.
49

Kai looks at a photo of herself with her parents. She notices that, while her features are similar to her parents’ features, they do not appear to be identical. Which explains why this is the case?

A
Their DNA is made of different codon sequences.
B
Their DNA is made of four different bases.
C
Kai inherited more proteins from one parent than the other.
D
Kai inherited different amino acids from either of her parents.
50

A news article discussed a genetically engineered medicine that is used to enhance the production of antibodies that are used against disease. Which medicine can this article be about?

A
insulin
B
flu shot
C
penicillin
D
human growth hormone

Did you find these answers helpful?

More from this Course

Quiz
47 verified answers

Cumulative Exam

Quiz
50 verified answers

Cumulative Exam

Quiz
10 verified answers

Applications of DNA Technology