If the sperm gamete that fertilizes an egg has a(n) chromosome, it will form male offspring.
x
y
xy
xx

When does dna replication(make a copy of itself)?

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only