DEP 4164 MIDTERM (Correctly answered questions)

What is the most common assisted reproductive procedure? correct answers in vitro fertilization ``Having dimples is an example of a: correct answers phentotype Epigenesis (or Epigenetics) is the phenomenon by which: correct answers all of the above Functions of body cells are determined Genes are turned on or off as needed by the developing body Genes are turned on or off as triggered by the environment A child's sex is determined by: correct answers the father's sperm Sex chromosomes are either X chromosomes or Y chromosomes; the sex chromosome of every ovum is an ___ chromosome but the sperm may contain either an X or a Y chromosome. correct answers X Which is a true statement? correct answers YOU CAN CHANGE YOUR GENES Infertility is the inability to conceive a baby after ___ of trying correct answers 12 MONTHS Every cell in the normal human body (except for the sex cells: sperm and ova) has ___ chromosomes. correct answers 46 A zygote: correct answers all of the above Results from fertilization Duplicates itself to produce all the cells that make up a baby Is a one-celled organism Fertilization: correct answers All of the above Is the process by which a zygote is created Is also known as "conception" Is the process by which sperm and ovum combine to create a single cell During what stage of prenatal development is the embryo the most vulnerable? correct answers embryonic What is a safe level of drinking alcohol during pregnancy? correct answers We don't know, it would be unethical to conduct the kind of research that would answer this question The ___ helps combat internal infection and gives the unborn child immunity to various diseases. correct answers placenta What is an early sign of pregnancy? correct answers All of the above And many others too Fatigue