Bio Lab Flashcards
What does Prophase look like?
-Chromosomes visible but not organized (Dotted)
What does Interphase look like?
-Dark mass
What does Metaphase look like?
-Chromosomes lining up along equator
What does Anaphase look like?
-Pulling apart
What does Telophase look like?
-Two nuclei
What is the formula?
- % of cells counted =
No. of cells counted
––––––––––––––––––– x 100
Total No. of cells
What phase of Mitosis is most common?
-Prophase
What is the purpose of a Pedigree?
-To discover the mode of inheritance for human traits and diseases through the examination of family generations
When does Menstruation begin?
- During puberty (9 - 16 year old)
- Average: 12 - 13 years old
What is Menstruation?
- Monthly cycle of changes that happens in the female reproductive system
- Egg develops in an ovary and is released in the uterus
How long is the menstrual cycle?
- Cycles vary from 20 - 40 days
- Average: 28 days
What is an irregular period?
- A cycle longer than 6 weeks
- Common in adolescent women and women approaching menopause
What can cause an irregular period?
-Stress, extreme emotion, weight changes, excessive physical activity or traveling
What is Menstrual phase?
- Uterus sheds it’s inner lining
- Day 1 - 5
What is Follicular phase?
- Endometrium begins to develop
- Day 1 - 13
