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Ch. 5-7 Vocabulary

Across
Form of nuclear division that divides a diploid cell into haploid cells
An exchange of chromosome segments between homologous chromosomes during meiosis 1.
A Specialized cell involve in sexual reproduction
The cytoplasm divides, pinching off in the center forming two new daughter cells
The scientific study of heredity
Process by which unspecialized cells develop into their mature form and function
Characteristic of having two identical alleles for a trait at the same locus of sister chromatids
Sequence of DNA that codes for a protein and thus determines a trait
A Cell that contains only one copy of each chromosome
Each chromosome separates into two identical single stranded chromatids
The cell has grown, new organelles have formed and DNA has been replicated in the nucleus
Traits that are produced by two or more genes
Down
Programmed cell death
Asexual reproduction in which a cell divides into two equal parts
Term used to refer to a cell that has two copies of each chromosome, one from an egg and one from a sperm.
Ssubstance that produces or promotes the development of cancer
Chromosomes that have the same length, appearance, and copies of genes, although the alleles may be different
Ccharacteristic of having two different alleles for a trait at the same locus of sister chromatids
A Collection of all an organisms genetic information that codes for traits
Any of the alternate forms of a gene that occurs at a specific place on a chromosome
Heterozygous genotype that equally expresses the traits from both alleles
A Collection of an organisms physical characteristics
Process by which a cell divides the nucleus and contents