Meiosis is to gametes as fertilization is to A. zygote. B. chromosome. C. egg. D

Question

Meiosis is to gametes as fertilization is to A. zygote. B. chromosome. C. egg. D. sperm. E. mitosis. 4. All of the cells in the body, except for sperm and eggs, have 46 chromosomes. A. FALSE B. TRUE 5. 6. Which structure of the male reproductive system is also part of the urinary system? A. bulbourethral gland B. prostate gland C. urethra D. vas deferens E. testes Which of the following contributes to the semen? A. bulbourethral gland B. epididymides C. urethra D. penis E. vas deferens 7. Which of the following is not involved in achieving and maintaining an erection? A. nitrous oxide B.cGMP C. smooth muscle D. blood E. urethra 8. 9. Sperm cannot develop at body temperature (37 degrees Celsius). A. TRUE B. FALSE

Explanation / Answer

4) Zygote

5)False

Expalnation :Red blood cells lack a nucleus and therefore have 0 chromosomes. Liver cells often have multiple copies of each chromosome and therefore have 69 or more chromosomes.

6) Urethra

7) Bulbourethral gland : contribute mucus-containing fluid to semen

8) Urethra

9) True.
Sperm cannot develop at this temperature and therefore testes are located in the scrotum( it is protect the testis) which hangs below the body and helps to regulate the temperature of the testes.

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