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Chapter 3 science

Chromosomes and Inheritance

Chapter 3Vocab
Fertilization An egg and sperm cell joining to form a new cell in a process.
Trait Specific characteristic that an organism can pass to its offspring through its genes
Gene a sequence of DNA that determines a trait and is passed from parent offspring.
Inheritance The process by which an offspring receives genes from its parents.
Allele A different from of the same gene.
Heredity The trait passing of traits from parent to offspring,it is important to learn about the history behind the science
Dominant allele Is one whose traits always shows up in the organism when the allele is present
Recessive allele Is hidden whenever the dominant allele is present
probability A number that describe how likely it is that an event will occur
genotype An organism;s genetic makeup or combination of alleles
phenotype The organism's physical appearance or visible traits
Chromosomes code of that appears on structures these thread-like structures within a cell's nucleus contain DNA
cell cycle the series of events in which a cell grows,prepares for division,and divides to form daughter cells
pedigree A tool that genetics use to map out the inheritance of traits
meiosis Sex cells(sperm and eggs) are formed through a very specialized process
chromatids Each chromosomes split into two rod-like structures
mitosis cell divide to make 2 genetically identical new cells in a process
Asexual reproduction Genetically identical to the parent
Sexual reproduction two parents combine their genetic
Created by: Snack_Queen