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Science 24 C Genetics
from Science Connect 2 textbook (McGraw-Hill)
17
Science
11th Grade
05/01/2014

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Term
genetics
Definition
the field of study to do with genes and inheritance
Term
Chromosomes
Definition
a structure found in the nucleus of the cell; contains the DNA which carries genetic information
Term
DNA
Definition
complex molecule that contains genetic information, located as long strands in the nucleus of the cell
Term
genes
Definition
the basic building blocks that make up...
Term
heredity
Definition
the passing of traits from parents to offspring
Term
dominant
Definition
a trait that is passed on to the offspring
Term
hybrid
Definition
offspring that carry both dominant and recessive genes for a trait
Term
purebreed
Definition
an organism that has identical genes for each trait
Term
recessive
Definition
a trait that does not appear in offspring unless both parents have the trait
Term
genotype
Definition
a combination of genes
Term
Punnett Square
Definition
a diagram used to predict the probability of offspring inheriting certain traits
Term
pedigree
Definition
a diagram showing the history of a trait from generation to generation
Term
mutation
Definition
a change in genetic information that results in an abnormal gene
Term
mutagens
Definition
an enviromental factor that causes mutation
Term
genetic disorders
Definition
a condition that results from alteration to the genes
Term
genetic engineering
Definition
transferring genes from one organism to another
Term
amniocentesis
Definition
a proceedure used to determine the chromosomal make-up of a fetus
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