Select all that apply.
once an egg has been fertilized,
a a zygote is formed
b a barrier to other sperm forms immediately
c new genes are formed
d cytoplasm is always exchanged
e the zygote becomes haploid

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

Brainliest ! is slowing down a car an example of acceleration? explain. - explain correctly

Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?