I will explain, but I don't know why you put this in cat behavior.
The X chromosome and Y chromosome control gender. If an embryo's two chromosomes are XX, it will be a girl. If the chromosomes are XY, it will be male. A pair of chromosomes have to have at least one X chromosome in it, but can also have a Y chromosome.
A spermazota (sperm cell) controls the gender of a fetus and therefore a baby because a woman's egg will always have an X chromosome while a man's sperm will have either an X or Y chromosome; the sperm's Y chromosome makes a male child while the sperm's Y chromosome makes a female child.
The sperm from the father determines the sex of the new baby. Ova (or egg cells) have the X chromosome, sperm cells have either an X or a Y chromosome. The XY combination produces a boy baby. The XX combination produces a girl baby.
ok well this is a very easy question! the sex cells of a female produce a baby and genes for the baby!! smart!!
A fertilised egg (embryo) and if after 9 months (earlier if baby is premature cased by the mother drinking and smoking while pregnant) it is not destroyed or ruined a baby.
there is a baby
Cell membreneA layer that controls what enters and what leaves the cell. Or a protective covering enclosing the entire cell.(controls substances going in and out of the cell.)
A cell is a complete structure, it controls itself.
a baby
ok well this is a very easy question! the sex cells of a female produce a baby and genes for the baby!! smart!!
The sperm cell enters the womans vaginal area going to the ovary, which fertalizes the womans egg cell, creating and baby.
The Nucleus controls the cell.
because the egg andd the sperm cell meet which makes a baby
cytoplast cell it controls a substance into and out a cell.
the cell membrane controls what goes in and out the cell
A fertilised egg (embryo) and if after 9 months (earlier if baby is premature cased by the mother drinking and smoking while pregnant) it is not destroyed or ruined a baby.
there is a baby
the nucleus controls all the activity in the cell.
Cell membreneA layer that controls what enters and what leaves the cell. Or a protective covering enclosing the entire cell.(controls substances going in and out of the cell.)
A cell is a complete structure, it controls itself.