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Sickle cell trait

AP biology Exam 1990

Subject: 
Biology
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Biology
Classical genetics
Cellular processes
Hemoglobins
Evolutionary biology
Genetics
Dominance
Clostridium botulinum
Sickle cell trait
Sickle cell disease
Antibody
Mutation

AP EXams1990 AP BIOLOGY Answers: Last Page Three hours are allotted for this examination: 1 hour and 30 minutes for Section I, which consists of multiple-choice questions; and 1 hour and 30 minutes for Section II, which consists of essay questions. Section I is printed in this examination booklet; Section II, in a separate booklet. SECTION I Time- 1 hour and 30 minutes Number of questions ? 120 Percent of total grade ? 60 This examination contains 120 multiple-choice questions. Following this examination there are 12 multiple-choice questions regarding your preparation for this exam.? Please be careful to fill in only the ovals that are preceded by numbers 1 through 132 on your answer sheet. General Instructions

AP Bio_pedigree_analysis_and_genetic_diseases

Subject: 
Biology
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Genetics
Biology
Classical genetics
RTT
Medical genetics
Dominance
Sickle cell trait
Population genetics
Sickle cell disease
Genetic disorder
Lethal allele
Mendelian inheritance

Pedigree Analysis * A pedigree is a family tree that describes the interrelationships of parents and children across generations * Inheritance patterns of particular traits can be traced and described using pedigrees * Pedigrees can also be used to make predictions about future offspring * We can use the multiplication and addition rules to predict the probability of specific phenotypes Recessively Inherited Disorders * Many genetic disorders are inherited in a recessive manner * These range from relatively mild to life-threatening The Behavior of Recessive Alleles * Recessively inherited disorders show up only in individuals homozygous for the allele * Carriers are heterozygous individuals who carry the recessive allele but are phenotypically normal

Sickle Cell Anemia PPT

Subject: 
Biology
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Medical specialties
Branches of biology
Medicine
Hematopathology
RTT
Health in Africa
Hemoglobins
Transfusion medicine
Sickle cell disease
Anemia
Sickle cell trait
Red blood cell

By: 2/15/2011 Period: 1 HbS disease Hemoglobin S disease Sickle cell disease (SCD) Sickle cell disorder Genetic disorder Recessive Chromosome 11 If both parents are carriers 25% but if one parent has the disease the chance of getting it rises to 50% Low blood count Random pains (particularly in abdomen) Dactylitis (swelling of hands or feet) seizures extreme paleness Increasing fatigue shortness of breath or trouble breathing numbness or tingling severe headaches or dizziness painful erection (males only) Inability to move body parts Changes in vision slurring of speech Delayed puberty/growth Ulcers Whiteness in eyes All 50 states test newborns for the sickle cell trait, during newborn screening.
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