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Zehr:Exam III
biology questions
21
Biology
Undergraduate 1
04/30/2009

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Term
Where is FSH made in a normal human female?
Definition
Pituitary
Term
Which hormone in birth control pills is capable of preventing development of an ovum?
Definition
Extrogen
Term
Name the inner lining of the uterus in a normal human female.
Definition
Endometrium
Term
Name the structure in an ovary that produces progesterone.
Definition
Corpus luteum
Term
A low sperm count is a common cause of sterility in the human male. About how many sperm are present in one milliliter of ejaculate from a normal fertile male?
Definition
100 million
Term
Whare are anabolic steroids?
Definition
Steroids that promote tissue building processes
Term
Which of the following is associated with the first day of the humane female sexual cycle?
Definition
The first day of a period
Term
When do germ layers develop in an embryo?
Definition
In the gastrula
Term
Which of the following is mesodermal in origin?
Definition
Muscle
Term
A baby that weighs between 1000 and 2500 grams at birth is generally considered
Definition
Premature
Term
When is "morning sickness" most likely to occur during pregnancy?
Definition
First month
Term
What are gentle contractions of the uterus called that occur toward the end of a normal pregnancy?
Definition
Braxton-Hicks contractions
Term
How long is a normal first pregnancy in the human female?
Definition
42 weeks
Term
A woman who has type B blood and a man who has type A blood could possibly have children of which of the following blood types?
Definition
A, B, AB, and O
Term
A man and a woman who are both phenotypically normal, have a son who suffers from hemophilia. Hemophilia is a sex-linked recessive condtion. What fraction of their children are likely to carry this sex-linked gane without expressing it?
Definition
1/4
Term
Given the genotype AaBBCc, where A, B, and C are on different chromosomes, how many different gametes might be formed?
Definition
4
Term
Which of the following gametes could not be formed by a person with the genotype AaBBCc when A, B, and C are on different chromosomes?
Definition
AbC
Term
A test cross always involves
Definition
One parent that is homozygous recessive for each of the traits under consideration
Term
When would you expect to see Rh disease (hemolytic anemia) in an infant?
Definition
When the mother is Rh-negative and the father is Rh-positive
Term
Which of the following applies to the y-chromosome in man?
Definition
It pairs with an x-chromosome in meiosis I
Term
What else from Exam III do you need to study?
Definition
#21-28
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