BIOL 2404 Develoment and Genetics Worksheet
Each worksheet is worth 25 points total. Point values are listed for each question.
Only answers with corresponding numbers are to be submitted as an email attachment in a MS Word document. See calendar for due date.
Anatomy Section 10 points
Development
(0.5 points each)
Identify the following structures
__________1. releases enzymes to help digest ooctye corona radiata cells
__________2. developmental stage from fertilization to the 8th week
__________3. hormone that causes pelvic ligaments to become more flexible
__________4. cessation of ovulation and menses
__________5. normal human chromosome numbers in somatic cells
__________6. posterior pituitary hormone that initiates labor
__________7. period of life when reproductive organs become functional
__________8. actual number (and units) that indicates full cervical dialation
__________9. type of feedback mechanism involved with labor and nursing
__________10. joining of the pronuclei of the egg and sperm
Genetics
(0.5 points each)
Identify the following structures
__________11. physical expression of a gene
__________12. regions of DNA that code for cellular proteins
__________13. different forms of a gene
__________14. a trait that may be hidden
__________15. hilical chromatin fibers made up of DNA
__________16. trait linked to an X or Y chromosome
__________17. inheritance pattern where both alleles are expressed
__________18. process of identifying each chromosome pair
__________19. mitotic division of the zygote
__________20. single, fertilized egg
Physiology Section 20 points total
Development and Genetics
(0.5 points each)
21. Name a fetal circulatory bypass structure.
22. Define gastrulation.
23. Give the function of the placenta.
24. What is the purpose of the amnionic fluid?
25. What is the function of the yolk sac?
26. What is the function of the allantios?
27. Name the hormone that primarily determines external genitalia development.
28. Name the hormone that comes from the trophoblasts.
29. Define blastomere.
30. Define genotype.
31. Describe the normal fetal position for delivery
32. Define contraception.
33. Define heterozygous.
34. Define homozygous.
35. Define congenital disease.
36. Define gestation.
37. What is a Punnet Square?
38. Name a physiological change that happens when a woman is pregnant.
39. and 40. Name an embyronic tissue and its adult structural
derivative.
Medical Terminology Section 3 points total
41. teratogen
42. dystocia
43. polydactylia
44. amniocentesis
45. episiotomy
46. postpartum
Essay Section 2 points total
47. Explain the difference between identical and fraternal twins.
48. Name a disease/condition that might be helped by the use of stem cells.
49. Why is the APGAR score used?
50. Based on the human genome project, what animal has the closest percentage of the same chromosomes as humans?