Conception Word Scramble
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Question | Answer |
What is the union of a single egg and sperm? | Conception |
What type of cell division produces gametes? | Meiosis |
When do males' testes begin spermatogenesis? | At puberty |
When does the process of egg formation begin? | During fetal life |
True or False: All of a woman's eggs are present in her ovaries at birth. | True |
When does the ovum complete the first meiotic division? | During fetal life |
How many ova will mature during a woman's reproductive life? | 400-500 |
When does the ovum begin the second meiotic division? | During ovulation |
What marks the beginning of pregnancy? | Conception |
Where does meiosis of the ovum occur? | In the ovarian follicles |
When is the ovum released from the ovarian follicle? | At ovulation |
What are the two layers surrounding the ovum? | Zona pellucida (inner) and corona radiata (outer) |
How long are ova considered fertile after ovulation? | 24 hours |
What happens if an ovum is not fertilized? | It degenerates and is reabsorbed. |
How do sperm swim? | In a flagellar movement. |
How long is the average time for a sperm to reach the site of fertilization? | 4-6 hours |
Where does fertilization occur? | In the ampulla of the uterine tubes. |
How long does it take the zygote to reach the uterus? | 3-4 days |
What is a morula? | The result of meiotic division of the zygote; consists of 16 cells |
What does the trophoblast give rise to? | The placenta |
What does the embryoblast give rise to? | Embryo |
Why do some women bleed with implantation? | Because endometrial blood vessels erode. |
What do chorionic villi develop out of? | The trophoblast. |
Created by:
shrewsburysd
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