prenatal development

Question 1

how many chromosomes are there in the human body

Answer 1

46

Question 2

the 23 pair of chromosome is called what

Answer 2

the gonosomes and they are in charge of the childs sex

Question 3

the negative factors influencing prenatal life are believed to be as a result of what

Answer 3

genetic or environmental misfortune

Question 4

what are the damages a teratogen causes the embrayo

Answer 4

amount of exposure
the babys genetic makeup
time of exposure