LAB 9-10 Exam 2025 Questions and
Answers
There are nearly 30 different disorders of sexual development. Who can have
these disorders? - --CORRECT ANSWER--people with either XX or XY
chromosomes
Which of the following most accurately describes Katie's situation? - --CORRECT
ANSWER--Katie was born with testes, but her cells did not respond to the
testosterone those testes produced.
Which of the following biologically describes a hermaphrodite? - --CORRECT
ANSWER--Earthworms can fertilize each other to produce offspring.
Many people with XY chromosomes and androgen insensitivity syndrome (AIS),
like Katie, are not diagnosed until later in life, rather than at birth. Why is that? - --
CORRECT ANSWER--Babies with XY chromosomes and AIS usually appear to
be normal females at birth. It is not until they have a hernia, or fail to menstruate,
before a doctor would investigate further.
In the video, the narrator says that Katie had her testes removed, and now takes
pills to give her more appropriate hormones. What is the most likely explanation? -
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, --CORRECT ANSWER--Since Katie has no ovaries to produce estrogen, she
likely takes an estrogen supplement that supports her gender identity.
Which of the following is the best option if Katie wants to have children? - --
CORRECT ANSWER--She can adopt children.
Gender identity is a person's personal sense of being a man or a woman. Katie says
at the end of the clip that, given the traditional definitions of sex, she can't say
whether her sex is male or female, but that her gender identity is definitely that of a
woman. What does this indicate about gender identity? - --CORRECT ANSWER--
Gender identity is mostly likely the result of a combination of physical,
physiological, and social factors.
In a PCR reaction, the strands of DNA are first separated by ___. - --CORRECT
ANSWER--heating
When is PCR particularly applicable? - --CORRECT ANSWER--When there are
small quantities of DNA to analyze
What is the correct sequence of events that occur in a PCR reaction? - --
CORRECT ANSWER--separation of DNA strands; addition of primers; use of
DNA polymerase to produce second strand of DNA
DNA polymerase is a heat-sensitive enzyme. What is one thing that would need to
be considered concerning the activity of this enzyme in PCR when the temperature
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
Answers
There are nearly 30 different disorders of sexual development. Who can have
these disorders? - --CORRECT ANSWER--people with either XX or XY
chromosomes
Which of the following most accurately describes Katie's situation? - --CORRECT
ANSWER--Katie was born with testes, but her cells did not respond to the
testosterone those testes produced.
Which of the following biologically describes a hermaphrodite? - --CORRECT
ANSWER--Earthworms can fertilize each other to produce offspring.
Many people with XY chromosomes and androgen insensitivity syndrome (AIS),
like Katie, are not diagnosed until later in life, rather than at birth. Why is that? - --
CORRECT ANSWER--Babies with XY chromosomes and AIS usually appear to
be normal females at birth. It is not until they have a hernia, or fail to menstruate,
before a doctor would investigate further.
In the video, the narrator says that Katie had her testes removed, and now takes
pills to give her more appropriate hormones. What is the most likely explanation? -
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, --CORRECT ANSWER--Since Katie has no ovaries to produce estrogen, she
likely takes an estrogen supplement that supports her gender identity.
Which of the following is the best option if Katie wants to have children? - --
CORRECT ANSWER--She can adopt children.
Gender identity is a person's personal sense of being a man or a woman. Katie says
at the end of the clip that, given the traditional definitions of sex, she can't say
whether her sex is male or female, but that her gender identity is definitely that of a
woman. What does this indicate about gender identity? - --CORRECT ANSWER--
Gender identity is mostly likely the result of a combination of physical,
physiological, and social factors.
In a PCR reaction, the strands of DNA are first separated by ___. - --CORRECT
ANSWER--heating
When is PCR particularly applicable? - --CORRECT ANSWER--When there are
small quantities of DNA to analyze
What is the correct sequence of events that occur in a PCR reaction? - --
CORRECT ANSWER--separation of DNA strands; addition of primers; use of
DNA polymerase to produce second strand of DNA
DNA polymerase is a heat-sensitive enzyme. What is one thing that would need to
be considered concerning the activity of this enzyme in PCR when the temperature
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
