Individuals homozygous for the APOE*4 Apolipoprotein E allele are ten to fifteen times more likely to develop _____________________. Fill in the blank(s) with the appropriate word(s)

Analysis of the similarities and differences in protein-coding genes and other types of sequences in the genomes of different species is an area of study called ____

Fill in the blank with the appropriate word.

Examine Figure 44.1 in your text. According to this phylogeny, bilaterians (animals with bilateral symmetry) are most closely related to:

A. cnidarians. B. sponges. C. the group containing sponges and cnidarians. D. the group containing choanoflagellates, sponges, and cnidarians. E. None of the answer options are correct.

The common goldfish Carassius auratus has 100 chromosomes and is tetraploid. The goldfish therefore has _____ sets of chromosomes containing ______ chromosomes each

A. 4; 25 B. 2; 50 C. 4; 100 D. 1; 100

What is the term for learning that occurs only during a brief period early in life and results in a behavior that is difficult to modify. 

A. imprinting B. filial imprinting C. innate behavior D. instinct E. operant conditioning