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7th Genetics
Fletcher's 7th grade Genetics Review
Term | Definition |
---|---|
Mitosis | The process in which a normal cell produces a copy of itself |
Gregor Mendel | A monk who laid the foundations for modern genetics |
Heterozygous | A description of a genotype like this Bb |
Sperm | The male sex cell |
Genome | The entire genetic code in an organism |
Haploid | A cell with unpaired chromosomes |
Diversity | An advantage of sexual reproduction |
Dominant | The expressed allele |
phenotype | A listing of the physical traits of possible offspring |
Diploid | A cell with paired chromosomes |
Somatic | A normal body cell |
Female | The gender represented by XX chromosomes |
Allele | The specific genetic information about a single trait |
Meiosis | The process of making sex cells |
Twenty Three | The number of chromosomes in one single human sex cell |
Incomplete Dominance | When two alleles for a trait produce a mixed expression |
Recessive | The allele that may be hidden |
Chromosome | The way genetic material is stored inside a cell |
Gene | A section of DNA |
Seventy five Percent | The chances that two heterozygous tall pea plants will produce tall offspring |
Heredity | The study of how traits are passed from parent to offspring |
Genotype | Listing of the genetic makeup of an organism |
Zygote | The first diploid cell produced after successful sexual fertilization |