A quick quiz -
it's about "you", your mum and your dad
or if you prefer - about you, your wife and your kids
GENETIC FACTS AND FALLACIES QUIZ
T F 1. Certain acquired characteristics, such as mechanical or mathematical skill, may be inherited.
T F 2. Identical twins are always of the same sex.
T F 3. Fraternal twins are more closely related to each other than to other children in a family.
T F 4. The father determines the sex of a child.
T F 5. Each parent contributes half of a child’s genetic makeup.
T F 6. Certain drugs or alcohol can cause birth defects in the fetus.
T F 7. Colorblindness is more common in males than in females.
T F 8. A person may transmit characteristics to offspring, which he, himself does not show.
T F 9. Certain hereditary characteristics are influenced by the blood.
T F 10. Identical twins are more closely related than fraternal twins.
T F 11. Certain inherited traits may be altered by the stars, moon, or planets early in development.
T F 12. Males are biologically stronger than females.
T F 13. The tendency to produce twins may run in families.
T F 14. A craving for a food such as strawberries may cause a birthmark on an unborn child.
T F 15. Many of a person’s inherited traits are not apparent.
T F 16. The parent with the stronger “will-power” will contribute more to a child’s inheritance than the other parent.
T F 17. If a person loses a limb in an accident, it is likely that he or she will have a child with a missing limb.
T F 18. The attitude of the parents toward each other influences the emotional makeup of an unborn child.
T F 19. Children born to older parents usually lack the vitality of those born to younger parents.
T F 20. The total number of male births exceeds female births each year.
T F 21. If a male mongrel dog mates with a pedigree (show quality) female dog, all future litters will have some characteristics from the mongrel male.