According to the law of segregation
A) pairs of alleles on homologous chromosomes separate during the formation of gametes.
B) there is an independent assortment of nonhomologous chromosomes during meiosis.
C) the sex chromosomes of males and females differ.
D) pairs of alleles fuse during the formation of gametes.
E) each individual carries a single copy of each "factor."
A
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If a mutant allele appears in a family with no history of that disorder and is fully expressed by
everyone carrying that allele, it most like is a ______________ allele. A. autosomal dominant D. Y-linked B. autosomal recessive E. mitochondrial C. X-linked recessive
Glucose and fructose are ____ because they have identical molecular formulas but their atoms are arranged differently
a. polar b. tertiary c. enantiomers d. structural isomers e. geometric isomers
Discuss the uncertainties and available evidence related to the evolutionary relationships among the
following algal protists: brown algae, golden algae, red algae, and green algae. Include in your discussion how they relate to the plants. What will be an ideal response?
Fertilization normally _____
A) reinstates diploidy B) follows gastrulation C) is required for parthenogenesis D) merges two diploid cells into one haploid cell E) precedes ovulation