If there is a nonrandom association between the genotypes at two loci on a chromosome, the loci are said to be in ________. [two words]
Fill in the blank(s) with correct word
linkage disequilibrium
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Infants acquire natural passive immunity from maternal antibodies transferred across the placenta or in breast milk
Indicate whether the statement is true or false.
Prokaryotes typically undergo ____ via the process of ____
a. asexual reproduction; mitosis b. sexual reproduction; meiosis c. asexual reproduction; binary fission d. sexual reproduction; binary fission e. asexual reproduction; budding
Using the genetic code shown here, predict what type of mutation has occurred in the hemoglobin sickle-cell anemia allele.
Normal allele 5'–GGAAUGAAACAGGAACCC–3'
Mutant allele 5'–GGAAUGAAACAGGUACCC–3'
A. a point mutation, Val to Glu
B. addition of a new stop codon
C. a frameshift mutation
D. a point mutation, Glu to Val
E. a silent mutation
Habitats with the most species in greatest danger of
extinction are called a. ecoregions. b. indicator species. c. riparian zones. d. hot spots. e. conservation islands.