Male has sex chromosomes: One X + one Y
Female has sex chromosomes: Two X
So, Female must contribute by one X chromosome, but male can contribute either by X or Y, if he sends, X chromosome, then Female (Girl) will form, but if he sends Y chromosome, then Male (Boy) will form
Hope this helps!
The DNA copies are moved to opposite ends of the cell.
Answer:
The weight of each filled balloon
Explanation:
hmu if you need more help
1) 28 2) ovaries 3) fallopian tube 4) ovaries 5 & 6) ovary 7) ovulation 8 & 9) uterus 10) fallopian tube 11) sperm cell 12) uterus 13) fertilized 14) blood 15) uterine 16) vagina 17) 28 18) menstruation
