7th Grade Genetics Word Scramble
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Question | Answer |
Allele | alternate form of the same gene. |
Carrier | an individual that carries one gene for a recessive trait. A carrier does not express that trait, but when mated with another can produce offspring that do. |
Chromosome | a thread-like strand in the nucleus that controls the cell activity and carries the genetic material to pass traits to offspring. |
Co-dominant | 2 alleles of a gene pair in a heterozygote that are both fully expressed. |
Dominant Gene | strong form a a gene, which is expressed even if a recessive gene is present. |
Gamete | sex cell |
Gene | a unit of genetic material that determines a trait. |
Genetics | the scietific study of genes/inheritance. |
Heredity | the pasing of physical characteristics from parent to child. |
Heterozygous | having 2 different alleles for a trait. (also known as hybrid) |
Homozygous | having 2 of the same alleles. (also known as pure bred) |
Hybrid | having 2 different alleles for a trait (also know as heterozygous) |
Incomplete Dominance | a condition tht results when genes produce a trait somewhere in between the traits of the parents. |
Inherit | to acquire a triat from your parents |
Karyotype | a picture of a person's chromosomes |
Meiosis | cell division that happens in sex cells only. produces gametes have one set of unpaired chromosomes. |
Gregor Mendel | Austrian monk who studies pea plants and figured out the rules of heredity. The "father" of genetics. |
Mutation | a change in DNA or chromosomes |
Pedigree | a line of anchstors; visual representation. |
Phenotype | The actual characteristics that an organism demonstrates |
Polygenic | a trait that requires more than one gene |
Probability | The percent chance of inheriting a trait |
Punnet Square | a visual diagram that demonstrates the possible genotypes person could inherit from the parents. |
Pure bred | having 2 of the same alleles. (also known as homozygous) |
Ratio | relation in degree or number between two different things |
Recessive Gene | the weak form of a gene, which is not expressed when the dominant form is also present. |
Sex-linked trait | A recessive trait carried on the X chromosome. |
Trait | genetically determined characteristic |
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