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Luteinizing hormone (LH) and human chorionic gonadotropin (hCG)
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Maintain the function of the corpus luteum
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Ovulation occurs at which day of the ovarian cycle?
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14
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At the end of the ovarian cycle, if a woman is not pregnant, the corpus luteum
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Disintegrates
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What is the function of luteinizing hormone (LH) and follicle-stimulating (FSH)?
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They stimulate oocytes to develop and ovaries to release estrogen and progesterone.
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The archenteron is the primitive _____ of an embryo and is completelly surrounded by _____.
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Gut, endoderm
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From outside to inside, an embryo at the end of gastrulation has the following three embryonic tissue layers:
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Ectoderm, mesoderm, endoderm
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Which of the following adult tissues or organs arises from the mesoderm?
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Circulatory system
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A karyotype
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Is a visual display of chromosomes arranged according to size
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Which of the following designates a normal human female?
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A. XXY
b. XY c. XX d. XYY e. XO |
A locus is
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The location of an allele on a chromosome
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Various forms of a gene at a given locus are called
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Alleles
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Chromosomes other than those involved in sex determination are known as
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Autosomes
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DNA coding regions that affect the same trait are called
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Alleles
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If two genes are almost always found in the same gamete, they are
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Located close together on the same chromosome
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Genes that are located on the same chromosome
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A. tend to be inherited together.
b. will appear together in the gamete. c. are said to be linked. d. may be separated during crossing over. e. all of these |