How many chromosomes are in the somatic cells of an organism with a haploid number of 34?

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

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.

What will happen if two of the base pairs of the stand of the dna are switched