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Science Chapter 3

QuestionAnswer
A trait developed after an organism is born Aquired trait
Chemical sequence of DNA that determines a trait of an organism Gene
Made up of a phosphate, sugar and a base Nucleotide
Reproductive material appearing as two strands coiled around each other DNA
A change in the arrangement of bases in a gene Mutation
The way bacteria reproduce Asexual
Trait that can be expressed with only one gene inherited Dominant
Trait that is expressed only when two genes are inherited Recessive
When organisms are mated to produce offspring with desirable traits Selective breeding
A trait that helps an organism survive in its environment Adaptation
When a female gamete joins with a male gamete to form a new organism Sexual reproduction
Process through which traits are passed from parents to offspring Heredity
An organism that has two different genes for the same trait Hybrid
What is the number of chromosomes in each human cell? Forty-six
What is an example of an inherited trait? A spider spinning a web
Created by: nvanest
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