QUESTIONS AND CORRECT VERIFIED
ANSWERS LATEST REVISED EXAM
GUARANTEED PASS A+.
⩥ Dr. Snider, a geneticist, is looking for a slight variation of a particular
gene that would cause a certain abnormality. He is looking for an. Answer:
allele.
⩥ Diana is 37 and Ray is 41. They are trying to conceive their first child.
Because of their age, it is recommended that they seek. Answer: genetic
counseling.
⩥ The critical difference between survival of a preterm baby and a full-term
newborn is in. Answer: the maturation of the neurological, respiratory, and
cardiovascular systems.
⩥ Which type of twins originates when two <i>ova</i> are fertilized by
two sperm? Answer: dizygotic
⩥ Symptoms of pregnancy and birth that may be experienced by fathers are
called. Answer: couvade
⩥ The embedding of the placenta into the lining of the uterus is called.
Answer: implantation
⩥ Traits that are affected by many components, both genetic and
environmental, are referred to as. Answer: multifactorial
, ⩥ An X-linked gene that is _____ is more likely to cause a problem for a male
than for a female. Answer: recessive
⩥ An X-linked recessive gene almost never has a counterpart on the Y
chromosome. Therefore, recessive traits on the X chromosome. Answer:
affect sons more than daughters.
⩥ Dr. Mitchell is a scientist studying heredity. She wants to isolate the basic
unit for the transmission of heredity, which is a(n). Answer: gene
⩥ Tanja was born preterm and has a 50 to 60 percent chance of surviving
to one year of age. Tanja's mother gave birth when she was approximately
_____ weeks. Answer: 23
⩥ Gavin has brown hair and green eyes, he is outgoing and a risk taker, and
he excels at his job as a financial analyst. All of these traits are part of his.
Answer: phenotype.
⩥ The baby is actually pushed out and delivered in the ------ stage of labor.
Answer: second
⩥ Despite rising rates of cesarean sections in many countries, the World
Health Organization estimates that this procedure is necessary in only _____
percent of births. Answer: 15
⩥ When it is consumed later in pregnancy, alcohol is a behavioral
teratogen. This means that, as compared to its consumption earlier in
pregnancy, alcohol consumed later in pregnancy is. Answer: more likely to
have effects on brain development than on physical development.