PSY BEH 101D Lecture Notes - Lecture 10: Chromosome Abnormality, Webbed Neck, Intellectual Disability
17 Dec 2019
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Notes: chromosomal abnormalities, occurs when the sperm or ovum does not have its normal set of 23, treatments do not necessarily get rid of the problem but may chromosomes improve individual"s adaptive behavior, down syndrome. Characteristics round face, flattening skull, extra fold of skin over eyelids, protruding tongue, short limbs & intellectual/motor disabilities. Women between the ages of 16-34 less likely to give birth to child with down syndrome than are younger or older women: sex-linked chromosomal abnormalities. Most common of these abnormalities involve the presence of an extra chromosome or the absence of one x chromosome in females. Klinefelter syndrome: males have an extra x chromosome, making them xxy instead of xy: males with this disorder have undeveloped testes & enlarged breasts & become tall. Turner syndrome: disorder in females where an x chromosome is missing, making the person xo instead of.
