Change in Nucleotide Sequence Type of Mutation
ATGC ATC
ATGCATTC
ATTCGCATTCGGC
ACGTTGCA
ATTGATTGATTG
ATTC (chromosome 1)
CGATTC (chromosome 2)
ATCGA (chromosome 1)
TCTTC (chromosome 2)
inversion
insertion
deletion
substitution
translocation
duplication

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.