Early Childhood Developments

Uterus, also called womb, an inverted pear-shaped muscular organ of the female reproductive system, located between the _______ and the rectum.

Sperm is the _____ reproductive cell, or gamete, in anisogamous forms of sexual reproduction.

a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

• DNA

• Chromosome

• Gene

the phenomenon of one variant of a gene on a chromosome masking or overriding the effect of a different variant of the same gene on the other copy of the chromosome.

• Dominant Gene

• Recessive Gene

the action of conceiving a child or of a child being conceived.

• Sperm

• Conception

• Ovum

They result from the fertilization of a single egg that splits in two.

• Identical twins

• Fraternal twins

• Twins

either of a pair of tubes along which eggs travel from the ovaries to the uterus.

• Ovum

• Fallopian Tubes

• Uterus

inability to conceive _____.