1. Spring Semester Exam Review
PAP Biology ----mrs. Adams

2. Question 1
What are the chances that the offspring will show (phenotype) both dominate traits?
100%

3. Questions 2 What condition does the person with this karyotype have?
Down syndrome

4. Question 3
What is the condition this person has when the fifth chromosome is incomplete?
Cri-du-chat

5. Question 3
What term would be used to identify the specimen to the right? How do you know?
Virus…..protein coat

6. Question 4 What is this specimen? How do you know?
Bacteria….definite shape, cell wall, no organelles

7. Question 5 What type of specimen is this?
Plant cell…chloroplast, cell wall, multicellular

8. Question 6
What type of specimen is this ?
Virus….

9. Question 7
When reading a scientific name….which name the first or last determines relationship?
First
Example:
Esox americanus

10. Question 8 What is occurring in the genetic information to the right?
Replication

11. Question 9 What is occurring where the green arrow is pointing?
Transcription

12. Question 10 What is occurring where the green arrow is pointing?
Translation

13. Question 11 Which chromosome pair determines sex of person? 23 pair
Does this person have a normal karyotype?
No…they have Klinefelter’s syndrome

14. Question 12
What type of mutation will affect the offspring of a person….one that occurs during mitosis or meiosis? Why?
Meiosis ….a person will only pass on mutations that occur in gametes… gametes are produced in meiosis and passed on to a person’s offspring

15. Question 13 What is the significance of crossing-over in meiosis?
Genetic variation

16. Question 14
If yellow (Y) is dominant for seed color and green (y) is recessive then what are the possible genotypes of the offspring if one parent is homozygous recessive and the other parent is heterozygous? What would be the genotype ratio?
Yy and yy; 1:1

17. Question 15
Survival of the fittest is a phrase often used to describe what? Does fit always mean strength?
Natural selection; no…it means the organisms with the best trait for survival

18. Question 16 Which plant structure transports water? What about sugars?
Xylem; phloem

19. Question 17
Auxin (plant hormone) moves to the darker side of a plant shoot promoting elongation of cells on one side. This response is known as ……
Phototropism

20. Question 18
What is the most effective way to ensure that you do not get a viral infections such as the flu?
Vaccine

21. Question 19
Why does a virus have to invade a host cell?
Reproduction

22. Question 20 Why is HIV/AIDS such a viral infection?
It weakens the immune system which is responsible for protecting our body from disease.

23. Question 21 Felis domesticus
What is the first name of this organism called? The second?
Genus; species

24. Question 22 What is the purpose of taxonomy?
To identify and organize organism to make it easier for humans to learn and communicate.

25. Question 23 Are mutations harmful, helpful, or neutral?
They can be all of the above depending on the mutation and the circumstance.

26. Question 24
What is going to determine cell differentiation in an embryo?
DNA

27. Question 25
What is the purpose of DNA? What does it hold the directions for?
The production of proteins

28. Question 26
How is the virus to the right reproducing?
Lytic cycle

29. Question 27 Which kingdoms have eukaryotic cells?
Protista, fungi, plantae, and animalia

30. Question 29 What type of cell do the bacteria kingdoms have?
Prokaryotic

31. Question 30
Which kingdoms are known decomposers?
Bacteria and Fungi