Which of the following might result in a human zygote with 45 chromosomes?
a) an error in either egg or sperm meiotic anaphase
b) failure of the egg nucleus to be fertilized by the sperm
c) fertilization of a 23 chromosome human egg by a 22 chromosome sperm of a closely related species
d) an error in the alignment of chromosomes on the metaphase plate
e) lack of chiasmata in prophase i

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to