Each spermatid and ovum have:
A) 23 pairs of chromosomes
B) 23 chromosomes
C) 46 pairs of chromosomes
D) 46 chromosomes
E) 2n chromosomes
Answer: B
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Biology Chapter 16
- Fatty, rounded area overlying the pubic symphysis
- Structure that corresponds to the male penis
- Organ that produces eggs
- Duct that transports a fertilized egg
- Organ that is the typical site of implantation of a fertilized egg
- Birth canal
- Sac of skin found hanging outside the abdominal cavity
- Gland that produces a thick, yellowish secretion
- Tube that transports either urine or sperm to the exterior of the body
- Organ that produces testosterone
- Duct connecting epididymis to ejaculatory duct
- Tiny cell produced by oogenesis
- Functional male gametes
- A fertilized secondary oocyte completes meiosis II to form this cell
- As a result of spermatogenesis, four of these cells are created
- Process that creates ova in females
- Stem cell in females
- Process that streamlines spermatids into sperm
- Cell ruptured from a vesicular (Graafian) follicle in females
- Stem cell in males
- Cell produced during mitosis in females
- Cells that undergo spermatogenesis in males
- Cell released from female's ovary during ovulation
- Menopause, which ends childbirth ability, is considered to have occurred when a woman:
- The first menstrual period, which usually occurs at approximately age 13, is called: