PSY 304 WEEK 1 WEEKLY REVIEW PART 1 | UPDATED ANSWERS

reproductive fitness. Many older adults do not understand the benefits of natural selection. Question 2 1 / 1 pts Karen has an extra copy of her 21st chromosome. Karen has ____ syndrome. Klinefelter Fragile X Turner Down Question 3 1 / 1 pts Human beings have ____ chromosomes. 23 26 43 46 Question 4 1 / 1 pts When a series of genes is responsible for abnormalities, it is called polygenic inheritance. sex-linked inheritance. chromosomal abnormalities. gene abnormalities. Question 5 1 / 1 pts Calvins dad played soccer in college and began showing him soccer skills as soon as he could walk. This is an example of a ____ genotype _ environment effect. passive evocative active retroactive Question 6 1 / 1 pts Marcus and Matthew are identical twins, but they are in different classes at school. This is an example of a(n) ____ environment. shared non-shared passive active Question 7 1 / 1 pts To study behavioral genetics, researchers often use infants. adolescents. cousins. twins. Question 8 1 / 1 pts Sabrina really enjoys writing, so she makes sure to take as many literature and creative writing courses as she can in high school. This is an example of a ____ genotype _ environment effect. passive evocative active retroactive Question 9 1 / 1 pts Tesia just gave birth to twins and her doctor told her, Congratulations, you have fraternal twins. How could the doctor know this right at birth? The twins were the same gender. The twins were opposite genders. Fraternal twins are always smaller than identical twins. Fraternal twins are always larger than identical twins. Question 10 1 / 1 pts A persons specific eye and hair color is an example of their genes. chromosomes. genotype. phenotype. Question 11 1 / 1 pts According to Scarr and McCartneys theory, our ____ influence how we experience our environment. experiences relationships siblings genes Question 12 1 / 1 pts The field of evolutionary psychology focuses on how the ability to adapt and ____ influences behavior. reproduce think grow strategize Question 13 1 / 1 pts ____ syndrome is the most common type of sex-linked chromosomal abnormality in males and causes low testosterone production. Klinefelter Fragile X Turner Down Question 14 1 / 1 pts One of the strongest criticisms of evolutionary psychology is the field is too young. it cant be scientifically tested. the field is too biased. it doesnt take into account developmental psychology. Question 15 1 / 1 pts What is formed within 36 hours of the sperm and ovum uniting? chromosome gene zygote fetus Question 16 1 / 1 pts Dr. Singg is a breast cancer researcher who examines mutations on genes and their influence on the development of breast cancer. Dr. Singg studies ____ genes. longevity susceptibility harmful high-risk Question 17 1 / 1 pts A new predator is hunting the local population of birds. Some of this species of bird have lighter-colored feathers, which make it harder for the new predator to spot them. According to natural selection, what is likely to occur in the next few years? The predator will stop hunting this species of bird. The predator will hunt more of this species of bird. More birds with dark feathers will be born. More birds with light feathers will be born. Question 18 1 / 1 pts Brown hair is dominant and red hair is recessive. A child with red hair is born to parents who have brown hair. For this to occur, who would have passed on a recessive red-hair gene? only the mother only the father both parents neither parent Question 19 1 / 1 pts Why are males more likely to be affected by mutated recessive genes on the X chromosome? They have no X chromosomes. two X chromosomes. two Y chromosomes. one X chromosome. Question 20 1 / 1 pts Dr. Jones studies how sex cells duplicate. This process is called meiosis. mitosis. replication. reproduction. Question 21 1 / 1 pts Environmental agents that can impact fetal development are called ____. teratogens harm agents illegal substances thalidomide Question 22 1 / 1 pts The organism is increasing rapidly in size during this stage of prenatal development. blastocystic period period of the zygote embryonic fetal Question 23 1 / 1 pts The last stage of birth is the delivery of the baby. amniotic fluid. vernix. placenta. Question 24 1 / 1 pts When someone touches a neonates cheek, the baby will turn toward the stimulus and open his or her mouth. This is an example of the Babinski reflex. Moro reflex. stepping reflex. rooting reflex. Question 25 1 / 1 pts The ____ layer of cells in the embryonic disk will become the nervous system and skin. ectoderm mesoderm endoderm mecoderm Question 26 1 / 1 pts Joshs son was born premature and the doctors suggested that he try ____ and hold his son skin to skin and chest to chest. fetal monitoring kangaroo care Lamaze infant massage Question 27 1 / 1 pts Alyssas son was born weighing 5.2 pounds. He is considered low birth weight. very low birth weight. preterm. small-for-date. Question 28 1 / 1 pts Why does the fetus develop a layer of fat under the skin before being born? To help regulate body temperature. boost the immune system. build antibodies. aid in the birth process. Question 29 1 / 1 pts Tia has been in labor for six hours and her cervix is dilated eight centimeters. She is in stage one. two. three. four. Question 30 1 / 1 pts When Al is trying to get his one-month-old to sleep, he accidentally bumps her crib and she arches her back and flings out her arms and legs. This is an example of the Babinski reflex. Moro reflex. stepping reflex. rooting reflex. [Show less]

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