Flashcards in Chapter 14 -1 Deck (15):
Humans have how many homologous pairs?
23 (22 autosomes &1 sex chromosomes
What happens in Autosomal Dominance Inheritance?
complete dominance and inherit dominant allele
Achondroplasia and Huninghton's disease are examples of?
autosomal dominance inheritance
What is autosomal recessive inheritance?
inheritance of 2 recessive alleles
Cystic fibrosis and sickle cell disease are examples of?
autosomal recessive inheritance
Heterozygotes maintain what in populations?
What are carriers?
they carry the disorders but do not express it
Tay sachs is a what?
What is genetic counseling and screening used to determine?
Disorders are mostly?
What are examples of recessive disorders?
color blindness, hemophilia, & duchenne muscular dystrophy
What is inheritance based on?
changes in chromosome structure
What is duplication and what does it cause?
repeating segments/neural & physical problems
What is deletion and what does it cause?
removal of segment/ cri-du-chat deletion on chromosome 5