12 Questions
What is the term for gametogenesis in males?
Spermatogenesis
How many autosomes does a mature sperm have?
22
What determines the sex of the offspring when the ovum is fertilized?
Type of sperm (X or Y bearing)
Where does implantation occur if fertilization takes place in the fallopian tube?
Tubal ectopic pregnancy
What does the chorion eventually develop into?
Embryonic portion of the placenta
Which structure encloses the embryo and amniotic fluid?
Amnion
Which structures continuously support the fetus throughout prenatal life?
Amniotic fluid, placenta, umbilical cord
Which germ layer forms all body systems and structures of the individual?
Mesoderm
What is the function of the umbilical cord in fetal circulation?
Carries blood away from the fetus
What is the role of the placenta in prenatal development?
Provides fetal respiration, nutrition, and excretion
Which structure diverts most blood from the fetal liver and lungs?
Foramen ovale
How do dizygotic twins differ from monozygotic twins?
Develop from two separate ova and sperm
Explore the process of gametogenesis in males (spermatogenesis) and females (oogenesis) and understand how genes on the 46 chromosomes contribute to individual uniqueness. Discover how the blending of genes and environmental factors shapes genetic outcomes.
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