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Chapter 2:Life Span
Heredity and Prenatal Development
| 500000 | 50000000000 |
|---|---|
| Which is true of preimplantation genetic diagnosis? | It reveals the sex of embryos. |
| Which of the following is true of ova? | Ova are much larger than sperm |
| Which of the following is true of males who suffer from Klinefelter syndrome? | Their primary and secondary sex characteristics do not develop properly |
| ripened ova are removed surgically from the mother and placed in a laboratory dish. The father's sperm are also placed in the dish. | in vitro fertilization |
| During the germinal period of prenatal development, the zygote has the form of a sphere of cells surrounding a cavity of fluid, which is called a(n): | blastocyst. |
| The form of cell division in which each chromosome splits lengthwise to double in number is called: | mitosis. |
| Which of the following is a difference between monozygotic and dizygotic twins? | Monozygotic twins are derived from a single zygote that has split into two, whereas dizygotic twins are derived from two zygotes. |
| Meiosis is also known as: | reduction division. |
| Jane gave birth, at the same time, to two daughters, who were developed from two ova produced in the same month and fertilized by different sperm cells. The daughters have a 50 percent genetic overlap with each other. Jane's daughters are ________ twins. | dizygotic |
| Kinship Study | studying the distribution of a trait or behavior among relatives who differ in degree of genetic closeness |
| Which of the following is a difference between cephalocaudal and proximodistal trends? | The cephalocaudal trend involves fertilization of an egg through in vitro fertilization, whereas the proximodistal trend involves fertilization of an egg through artificial insemination. |
| Which of the following is a difference between genotypes and phenotypes? | Genotypes are the sets of traits that we inherit from our parents, whereas phenotypes are the actual sets of traits that we exhibit. |
| Injection of sperm into the uterus to fertilize an ovum is known as: | artificial insemination. |
| Matt and Lynn do not have cystic fibrosis. However, their son is born with cystic fibrosis. Matt and Lynn: | are carriers of recessive genes causing the disease |
| Katherine is pregnant with her first child and has just started to feel the first of what will be many fetal movements. With only this information, one could draw the conclusion that Katherine is how far along in the pregnancy? | in the middle of the fourth month |
| The _____ is the platelike inner part of the blastocyst that differentiates into the ectoderm, mesoderm, and endoderm of the embryo. | embryonic disk |
| One study analyzed the results of several other studies regarding the use of marijuana during pregnancy and found that pregnant women who used the drug were more likely to develop ________ than those pregnant women who did not. | anemia |
| Which of the following is true of sperm that enter a woman's vagina? | Out of all the sperm in the ejaculate, only one can fertilize an ovum successfully. |
| Rod-shaped structures composed of genes that are found within the nuclei of cells are called: | chromosomes. |
| Which of the following is accurate about the age of the parents and possible health risks for a child? | The ages of both the mother and the father can matter. |
| The arms and the legs are most vulnerable to teratogens | four to eight weeks after conception. |
| Which of the following is not likely to be transmitted to the fetus through the placenta? | HIV |
| About __ % of cases of infertility are caused by the father. | 10 |
| Which of the following is a sex-linked disease? | hemophilia |
| Girls with which one of the following disorders are infertile, have poorly developed ovaries, and attain shorter than average height? | Turner syndrome |
| Which of the following is a dominant trait? | farsightedness |
| The period from conception to implantation is called the stage of prenatal development. | germinal |
| is a powerful estrogen that was often prescribed during the 1940s and 1950s to help prevent miscarriage. Since then, it has been shown to cause cervical, vaginal, and testicular cancers in some offspring. | DES (diethylstilbestrol) |
| In ,______antibodies produced by the mother are transmitted to a fetus or newborn infant and cause brain damage or death. | Rh incompatibility |
| are the biological materials that regulate the development of traits. | Genes |
| Dizygotic twins share-____of their genes. | 50 % |
| “Supermales” have______ sex-chromosomal structure. | XYY |
| cell disease is most common among African Americans. | Sickle |
| Sperm are apparently guided toward an egg cell (ovum) by changes in ____ ions | Calcium |
| Some women are infertile due to_____ which can obstruct the fallopian tubes. | Endometriosis |
| The outer layer of the blastocyst is the | trophoblast |
| Placenta | is a pancake shaped mass of tissue that permits the embryo and fetus to exchange nutrients and wastes with the mother |
| Preeclampsis | is a life threatening disease characterized by high blood pressure that may affict women late in the second or early in the third trimester |
| Cigarette smoking by a pregnant woman is harmful to the fetus because it decrease the amount of _______avaiable to the fetus | oxygen |
Created by:
goodvibes94