A) Due to the joining of the two gametes (sperm cell and egg which both have 23 chromosomes, the fertilised egg has 46 chromosomes) and because a skin cell is a normal cell (not a sex cell) it has 46 chromosomes.
You can automatically eliminate choice B because a zygote is the name for the cell produced when a sperm cell and egg joins, meaning it now has both 23 chromosomes from each of the sex cells, meaning it has 46 chromosomes. Sperm cells only ever have 23 chromosomes.
Secondhand smoke (SHS) has the same harmful chemicals that smokers inhale.in dust and on surfaces and remain there long after the smoke is gone. ... any effects would probably be small compared with direct exposure to SHS. ... No actual cancer risk has been measured at this <span>time</span>
Hey there!
I believe the correct option is 4) nose, bronchi, trachea, lungs
Hope this helps you!
God bless ❤️
xXxGolferGirlxXx
Bacteria that can cause food-borne illness is salmonella.<span />
