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Bio q3 2
a
34
Biology
12th Grade
01/21/2026

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Term
Sex-linked trait
Definition
gene that determines a character is located on the sex chromosomes
Term
XX
Definition
Female
Term
XY
Definition
Male
Term
Colorblind
Definition
X-linked chromosome only
Term
Protanopia
Definition
Red cones. Red blindness
Term
Deuteranopia
Definition
Green cones. Green Blindness
Term
Tritanopia
Definition
Blue cones.Blue-yellow Blindness, rare, autosomal
Term
Hemophilia(Bleeders disease)
Definition
X-linked chromosome only, Roughly 1 in 10,000 males, Blood cloth is delayed, bleeding is more intense.
Term
Duchenne Muscular Dystrophy
Definition
X-linked chromosome, 3 out 10000 males birth, life expectancy 14-18 years with modern help extend to 20s-30s , Progressive muscle deterioration
Term
Cystic Fibrosis
Definition
Autosomal recessive, located on chromosome 7, Disruption of normal flows of chloride ions
Term
Hypertrichosis pinnae auris
Definition
Y-linked trait, excess hair growth on ears
Term
Sickle-Cell Anemia
Definition
Autosomal recessive trait, red blood cells become crescent/sickle shaped, mutation in HBB gene Beta globin gene on "Chromosome 11"
Term
Tay-Sachs disease
Definition
Autosomal recessive, mutation in HEXA gene on "chromosome 15", inability to breakdown lipids
Term
Phenylketonuria
Definition
Autosomal recessive, body cannot break down amino acid "phenylalanine", mutation in PAH gene(phenylalanine hydroxylase) chromosome 12, blood test done 24–72 hours after birth, symptoms if untreated:Mental retardation, anxiety, depression, behavioral problems
Term
Huntington Disease
Definition
Autosomal dominant, Progressive neurodegenerative disorder, mutration in HTT gene chromosome 4,
Term
Sex related trait
Definition
trait in diploid organism expression is affected by individuals biological sex, trait occurs at higher frequency in one sex over the other
Term
Sex limited trait
Definition
trait in diploid organism, Ex: female express funcional mammary gland produce milk after birth
Term
Lipochrome
Definition
Yellowish pigment
Term
Rayleigh scattering
Definition
scattering of light in stroma
Term
Ishihara Test
Definition
Most common test used to diagnose color blindness. Uses series plates with colored dots arranged in a way that forms numbers.
Term
Farnsworth-Munsell 100 Hue Test
Definition
Test involves arranging colored disc in order of hue. Can asses severity and type.
Term
Hemophilia A
Definition
Factor 8
Term
Hemophilia B
Definition
Factor 9, Christmas disease
Term
Hemophilia C
Definition
Factor 11, not X linked so both genders affected equally. But also rare.
Term
Partial thromboplastin time
Definition
Test to commonly detect abnormalities in clotting
Term
Demopressin
Definition
Medication that helps increase the levels of factor 8
Term
Arthropathy
Definition
Joint Damage
Term
Chronic Anemia
Definition
Shortage of red blood cells
Term
Hydroxyurea
Definition
Medication help increase production of fetal hemoglobin, reduce sickling of red blood cells and decrease frequency of pain crisis.
Term
Pain Crisis
Definition
Known as sickle cell arises, where sickled red blood cells block blood flows to certain areas, causing pain.
Term
36-39 repeats
Definition
May have later onset of huntington disease
Term
40 or more repeats
Definition
Will certainly develop the disease mid adulthood
Term
Genetic counseling
Definition
Help individuals understand their risk of inheritance and make informed decisions about family planning.
Term
Prenatal testing
Definition
available for couples who are concerned about risk of passing the gene to their children.
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