These are vocabulary for 7th grade science!
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| D.N.A. | Deoxyribonucleic Acid; and acid in the nucleus if a cell that codes and stores genetic information.
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| Gene | A section of D.N.A. on a chromosome that directs the making of a specific protein.
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| Trait | An inherited characteristic.
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| Heredity | The passing of traits from parent to offspring.
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| Alleles | The different forms of a gene may have for a trait.
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| Genetics | The study of how alleles affect generations of offspring.
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| Gregor Mendel | "Father of Genetics" He studied pea plants.
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| Dominant Alleles | The form of an allele that seems to dominate or mask another form of the same trait.
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| Recessive Allele | The form of an allele that appears least often in offspring.
~written in lower case letters!
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| Heredity | Because chromosomes are paired, each individual carries two alleles for any given gene.
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| Homozygous Dominant | When an individual has two dominant alleles for a gene.
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| Homozygous Recessive | When an individual has two recessive alleles for a gene.
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| Heterozygous | When an individual has both a dominant and recessive allele for a gene.
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| Genotype | The genetic makeup of an individual.
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| Phenotype | the physical trait displayed by an individual.
~Ex. right handed or Left handed
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
koda13
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