Type of reproduction by which offspring are produced from _________________________ parents.
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Gametes (sex cells) are formed by ___
meiosis
females have ____ chromosomes
2 X
Each gamete contains _pairs of _
23 chromosomes
Offspring appearance vary due to new ___.
combinations of genes.
A sperm enters an egg during ___.
fertilization
Each person has ____ of sex chromosomes in each cell.
one pair
The ____ in the female produce female gametes or ___.
ovary eggs
The ___ in the male produces male __ or ___.
testis gametes sperm
Type of reproduction by which offspring are produced from _________________________ parents.
two-Sexual reproduction
Males have an _ chromosome
x and y
The two fuse to form a _ with 46 pairs of chromosomes.
zygote 46 pairs
