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Part 1 Reproduction and Heredity

Across
Segments of DNA
Different versions of genes
One parent produces new organisms
Combination of alleles inherited from parents
Visible structures
A feature that has different forms in a population
Observable traits
Cell division of body cells
Down
A fertilized egg cell
A molecule in the nucleus that contains information
When a sperm and egg cell join together
A trait that recedes or fades away
Two parents each contribute a sex cell
The life cycle of a eukaryotic cell
Present
Passing of genetic material from parent to offspring
Cell division that produces sex cells