Mac 3: Start Flashcards
What are the chemical or other agents that cause birth defects?
- Teratogens
- Carcinogens
- Cytogen
- Detergens
-Teratogens
Which of the following cells will secrete the “pregnancy hormone” human chorionic gonadotropin (hCG)?
- Blastocytes
- Trophoblast
- Zygote
- Morula
-Trophoblast
____ reduces the chromosome number in gametes from diploid to haploid.
- Fertilization
- Anaphase
- Meiosis
- Mitosis
-Mitosis
A human cell containing 22 autosomes and a Y chromosome is ….
- A somatic cell of a female
- A sperm cell
- An ovum
- A zygote
- A somatic cell of a male
-A sperm cell
Primary spermatocytes become secondary spermatocytes by which of the following processes?
- 1st Meiotic Division
- Mitosis
- 2nd Meiotic Division
- Binary Fission
-1st Meiotic Division
After meiosis there are.__
- Four Haploid Cells
- Two Haploid Gametes
- Two Haploid Cells
- Four Haploid Gametes
-Four Haploid Gametes
Female gametes originate in which of the following?
- Vagina
- Uterus
- Ovaries
- Testes
-Ovaries
When does crossover take place in meiosis?
- Prophase 1
- Anaphase
- Telophase
- Metaphase
-Prophase 1
The male and female reproductive systems include paired gonads and networks of tubes which ___ and ___ are manufactured.
- Testes and Ovaries
- Penis and Ovaries
- Sperm cells and oocytes
- Semen and Somatic cells
-Sperm cells and oocytes
Which cells of the human body are made through the process of meiosis?
- Gametes
- Autosomes
- Somatic cells
- All cells of the body
- X and Y chromosomes
-Gametes
