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PSY 334 Exam 2 || very Flawless.
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Assumptions that we have about sex correct answers - there are two sexes (binary) - sex exists as a biological fact - sex and gender naturally go together How sex develops prenatally correct answers sexual differentiation Sexual differentiation correct answers Each human being has a set o...

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  • August 11, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • assumptions that we have about sex

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PSY 334 Exam 2 || very Flawless.
Assumptions that we have about sex correct answers - there are two sexes (binary)
- sex exists as a biological fact
- sex and gender naturally go together

How sex develops prenatally correct answers sexual differentiation

Sexual differentiation correct answers Each human being has a set of 46 chromosomes in each
cell of the body. Each of us inherits these 23 chromosomes pairs, one of each pair from the
mother and the other from the father. The newly conceived ebryo inhereits one X chromosome
from the mother and eiether an X chromosome or Y chromsome from the father. Therefore,
genetic sex is determined at the moment of conception.

Autosomes correct answers any chromosome that is not a sex chromosome - 22 pairs

Sex chromosomes correct answers the X and Y chromosomes - the X chromosome is similar in
size to the autosomes, but the Y chromosome is much smaller; it contains fewer than 50 genes,
compared with 1,000 to 2,000 on the X chromosome

XX correct answers a female is defined as a person who has two X chromosomes

XY correct answers a male is defined as one who has an X and a Y chromosome

Sex differentiation begins to occur correct answers gonads in males and females are identical
until about the sixth week if development

Before differentiation occurs sex glands in embryos are correct answers during the first month or
so after conception, there is no visible indication of the fetus's sex. The fetus has no internal or
external sex organ, only embryonic structures from which these will later develop. The fetus has
a structure that will become either a clitoris or a penis, depending on whether it follows a male or
female developmental pathway. However, the fetus does not remain in this unisex state for long.
Genes on the sex chromosome, particularly on the Y chromosome, soon initiate sexual
differentiation.

sex glands in males correct answers Sex differentiation region of Y chromosome (SRY) cause
sex glands to grow and develop into testes.

sex glands in females correct answers develop into ovaries (sex glands containing eggs)

sex differentiation region of the Y chromosome (SRY) correct answers starting at about the 6th
week of pregnancy, this gene causes the embryonic sex glands, or gonads, to grow and develop
into testes, the pair of the male sex glands that much later will produce sperm.

androgens correct answers testes produce this steroid hormone and it shapes the development of
a typical male body

, The 3 androgens that must be present prenantally for a baby to be anatomically male correct
answers testosterone
dihydrotestosterone
Mullerian duct inhibiting hormone (MIH)

testosterone correct answers causes the internal structures of male sexual anatomy to develop,
such as the tubes that will later transport sperm from the testes

dihydrotestosterone correct answers causes the penis to grow and the testicles to form

Mullerian duct inhibiting hormone (MIH) correct answers prevents the internal embryonic
structures from developing into female organs such as a uterus

what happens to sex in the absence of androgen's correct answers the fetus develops as a female

intersexuality correct answers a gerneral term used for a variety of conditions in which a person
is born with a reproductive or sexual anatomy that doesn't seem to fit the typical definitions of
female or male. people with any of these variations are usually referred to as intersexed.

percentage of the population that is born intersexed correct answers 1.7%

Klinefelter's syndrome correct answers XXY
causes men to have a less masculine physique and appearance (small penis and testicles,
enlarged breasts, and sparse body hair), along with increased risk of learning disabilities

Complete Androgen Insensitivity Syndrome correct answers - XY body composition but cannot
process androgens developed by testes.
- thus, no development of male reproductive structures
- female external sex characteristics, but no uterus (this unable to conceive)
- treated and raised as females

Turner Syndrome correct answers - XO ( missing a sex chromosome represented by O)
- external genitals "female"
- ovaries (internal structure) do not develop normally
- short stature, short webbed neck, down-slanting eyes, droopy eyelids
- treated and raised as females
- in the strict definition of sex, neither male nor female

Partial Androgen Insensitivity Syndrome (PAIS) correct answers - external sex organ could be
classified as large clitoris or penis
- internally, they have male testes, but instead of being located in a scrotal sac, the testes may be
located in the abdomen or in the labia
(visually ambiguous body)

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