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Cubangbang #241727

Cubangbang 6th Ch. 13 Stack2 #241727

1.traits charachteristics
2.genes a small piece of the DNA that controls the traits of an organism
3.DNA the chemical code held by chromosomes that tells the cells what to do
4.heredity passing of traits from parents to offspring
5.genetics the study of how traits are inherited
6.purebred plants an organism that is the offspring of parents having the same genetic makeup
7.hybrids plant produced by crossing purebred plants that each have a different form of the same trait
8.dominant gene a gene that will always be expressed if it is present in a person’s chromosomes
9.recessive gene the gene that is hidden when a dominant gene is present
10.phenotype the physical appearance of an organism
11.genotype the genetic makeup of an organism
12. incomplete dominance the blending of genes together instead of one being dominant while the other is recessive
13.codominance the expression of both genes instead of one having recessive while the other is dominant
14.pedigree a chart that traces a particular trait through many generations
15.sex linked traits
16.sickle cell anemia a genetic disorder that causes a person’s blood cells to become hard and curved, like a farmer’s sickle
17.cystic fibrosis a genetic disorder that causes thick mucus to clog the lungs and air passages
18.down syndrome a genetic disorder usually caused by an extra chromosome
19.genetic engineering changing a gene or moving some of one organism’s genes into another organism
20. punnet square shows the possible genetic outcomes for offspring and helps determine the probability of those outcomes.
Created by: jcubangbang