9th Grade Honors Biology Chapter 11 Vocab

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27 cards   |   Total Attempts: 182
  

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Genetics
The scientific study of heredity
Fertilization
Process in sexual reproduction in which male and female reproductive cells join to form a new cell
True-breeding
Term used to describe organisms that produce offspring identical to themselves if allowed to self-pollinate
Trait
Specific characteristic that varies from individual to another
Hybrid
Offspring of crosses between parents with different traits
Gene
Sequence of DNA that codes for a protein and thus determines a trait
Allele
One of a number of different forms of a gene
Segregation
Separation of alleles during gamete formation
Gamete
Specialized cell involved in sexual reproduction
Probability
Likelihood that a particular event will occur
Punnett Square
Diagram showing the gene combinations that might result from a genetic cross
Homozygous
Term used to refer to an organism that has two identical alleles for a particular trait
Heterozygous
Term used to refer to an organism that has two different alleles for the same trait
Phenotype
Physical characteristics of an organism
Genotype
Genetic makeup of an organism