Humanities Homework Help

answer questions 1-13 in full sentences.

1. Describe the differences between genotype and phenotype.
2. Describe the differences between dominant-recessive inheritance, incomplete dominance, and polygenic inheritance as it relates to phenotype and genotype.
3. What are the differences between monozygotic and dizygotic twins?
4. Describe the process of fertilization and conception.
5. What are three stages of fetal development and the time periods associated with each?
6. What are the main developmental accomplishments at each of the three stages of fetal development?
7. Which stage of fetal development would be considered a “critical period” whereby the baby is most vulnerable to teratogens with regard to structural complications?
8. How do chromosomal disorders occur?
9. What are the causes, characteristics, and complications of Down Syndrome?
10. Describe some of the most common teratogens for developing and developed countries and the implications to the developing fetus.
11. Describe the consequences to the fetus of exposure or lack of exposure to iodine, rubella, AIDS, maternal and paternal smoking.
12. Define anencephaly, spina bifida, & Fetal Alcohol Syndrome
13. Name 3 types of childbirth methods.