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Human Dev. Unit 3
| Question | Answer |
|---|---|
| When does development begin? | Conception |
| Identify the process that occurs when a zygote is created by the union of sperm and egg. | |
| What is the path the sperm travels after entering the vagina? | |
| Differentiate between fraternal and identical twins. | |
| Identify reasons for the rise in multiple births. | Delay in childbirth and use of fertility drugs |
| How would you describe the study of the science of genetics? | |
| What are the coils of DNA called? | |
| How many pairs of chromosomes do we have? | |
| Who determines the gender of the child? | Father |
| At what point after conception does the sexual differentiation of the embryo occur? | |
| What is the most common chromosomal abnormality that takes place in autosomes? | |
| In what situations would a family need to seek genetic counseling? | |
| Would height be considered an inherited, environmental, or both trait? | |
| Would children growing up in the same family necessarily have the same environment? | |
| Obesity is an example of which influences? | |
| Define non-shared environmental effects. | |
| Define non-shared environmental effects. | |
| Define zygote. | |
| In which stage of gestation does the zygote divide and implant into the wall of the uterus? | |
| What is the amniotic sac? | |
| What is the function of the placenta? | |
| During which stage of development do the major body systems and organs develop? | |
| During which stage of development are babies most at risk for miscarriage? | |
| What are common causes of miscarriage? | |
| Define teratogens. | |
| What influences whether a teratogen will cause a birth defect? | |
| What can an insufficient intake of folic acid during pregnancy increase the risk for? | |
| Which drug, used for treating acne, can cause birth defects? | |
| What symptoms will a child born with FEtal Alcohol Syndrome exhibit? | |
| What do doctors recommend about drinking alcohol during pregnancy? | |
| How can you reduce the transmission of HIV to the fetus during delivery? | |
| Define ultrasound. | |
| Define amniocentesis. | |
| Define ovum. | |
| Define implantation. | |
| Give two specific examples of how genetics impacts children's behavior and development. | |
| List three common chromosomal abnormalities. Define one and describe the symptoms and characteristics associated with the condition. | |
| Evaluate the impact of shared and non shared environmental effects on a typical family with one son and one daughter. Include comments on the effects of birth order, gender, parental influence, and sibling influences. |