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Unit 3 Reproduction and Heredity Part 1

Across
The new cell that is formed when an egg is fertilized by the sperm cell.
The life cycle of an organism that includes birth, growth, reproduction, and death.
Two parents each contribute a sex cell to the new organism; the offspring are not identical to the parent.
When a sperm cell and an egg are joined together.
This holds the chromatids to together.
Molecule that contains the information that determines the traits that a living thing inherits and needs to live.
When new plants grow from stems, roots, or leaves.
One organism produces one or more new organisms that are identical to itself.
Cells with a pair of every chromosome.
The type of cell division that produces haploid sex cells such as egg and sperm cells.
A threadlike structure of nucleic acids and proteins found in the nucleus of most living cells, carrying genetic information in the form of genes.
Specialized cell that can survive harsh conditions; produced asexually, are light, and can be carried by the wind.
Down
Contain half the usual number of chromosomes- one chromosome from each homologous pair and one sex chromosome.
During most of a cell's life cycle, DNA, along with proteins, exists in this complex material.
Pairs of chromosomes that have the same structure and size; may have different versions of the genes they carry.
Cells that contain half the usual number of chromosomes are also known as this.
The parent organism splits into two new cells that are exactly like the parent cell.
When an organism develops tiny buds on its body, usually grows until it forms a new full-sized organism that is genetically identical to the parent.
The part of the cell cycle during which the nucleus divides; results in two nuclei that are identical to the original nucleus.
A duplicated chromosome consists of two identical structures called this.