FREE PSYCHOLOGY AND STUDY GAMES ABOUT CHAPTER

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FREE PSYCHOLOGY AND STUDY GAMES ABOUT CHAPTER

3 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -355 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: What connects the embryo to the mother while in the uterus?

Answer:

Umbilical cord

Question 2: Are normal genes always dominate over those caring abnormal traits?

Answer:

no, sometimes the abnormal trait is dominant

Question 3: Can heredity alone produce mental disorders? Why?

Answer:

No, can be triggered by environmental factors

Question 4: How many pairs of chromosomes are sex chromosomes?

Answer:

• pair

Question 5: the middle layer of the embryonic disc

Answer:

mesoderm Question 6: What is a normal amount of weight for a woman to gain during pregnancy?

Answer:

14 to 40 pounds

Question 7: What does the endoderm include?

Answer:

the lower layer of the embryonic disc, will become the digestive system, liver, pancreas, salivary glands, respiratory system

Question 8: What suggests that fetuses can hear and feel?

Answer:

They respond to the mother's voice, heartbeat, vibrations of her body

Question 9: Which type of twins occurs by chance?

Answer:

monozygotic

Question 10: When do fetuses start to respond to sound and vibration?

Answer:

about 26 weeks

Question 11: What happens to the ovum and sperm if it is not fertilized?

Answer:

they die, sperm absorbed by white blood cells in woman's body, ovum passes through the uterus and exits vagina Question 12: Instead of a reaction range advocates of a developmental system model prefer to talk about a _.

Answer:

norm of reaction

Question 13: How often does ovulation occur?

Answer:

about once every 28 days Question 14: In mice, when the SRY gene was not signaled, what happened to male mice?

Answer:

they developed female genitals Question 15: What is the rapid period of cell division and duplication called that occurs within 36 hours of fertilization?

Answer:

Mitosis Question 16: What are two reasons multiple births are happening more frequently?

Answer:

delayed childbearing, increased use of fertility drugs

Question 17: Which twins have the same genetic makeup?

Answer:

monozygotic (maternal) Question 18: What percent of fertilized ova complete the task of implantation and continue to develop?

Answer:

10 to 20%

Question 19: What can genetic counseling do?

Answer:

give prospective parents information about the mathematical odds of bearing children with birth defects Question 20: What month of prenatal development: fingernails, toenails, eyelids, vocal cords, lips, prominent nose, sex can be detected, organ systems functioning, swallow amniotic fluid, ribs and vertebrae turned to cartilage, mouth can open, close, swallow

Answer:

three months

Question 21: When do reproductive systems start to form in embryo?

Answer:

six to eight weeks after conception Question 22: What outside environmental hazards can affect prenatal development?

Answer:

Air pollution, chemicals, radiation, extremes of heat and humidity, other environmental hazards Question 23: In a fetus, what can stimulate the budding senses of taste and smell and may contribute to the development of organs needed for breathing and digestion?

Answer:

Partaking of amniotic fluid

Question 24: Unusual maternal stress may _ affect the offspring.

Answer:

Negatively Question 25: Does a person's phenotype always express the underlying genotype? Why?

Answer:

no, dominant inheritance and multifactorial transmission

Question 26: XX would produce what gender child?

Answer:

female

Question 27: What is largely inborn and is often consistent over the years?

Answer:

Temperament

Question 28: capable of causing birth defects

Answer:

teratogenic