Chapter 10
Terms
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- Trait
- A variation of a particular characteristic
- Genetics
- The study of heredity
- Cross-Fertilization
- The process by which sperm from one flower's pollen fertilizes the eggs in a flower of a different plant
- Hybrid
- The offspring of two different true breed animals
- Monohybrid
- A pairing in which the parents plants differ in only one character
- Allele
- Alternate forms of genes
- Homozygous
- Two identical alleles
- Heterozygous
- Two different alleles
- Dominant
- When one allele shows up instead of the other
- Recessive
- When one allele is not affective when compared to the other
- Punnett Square
- A mono-hybrid cross
- Phenotype
- An observable trait
- Genotype
- A genetic trait
- Testcross
- Breeds and individual of unknown genotype
- Dihybrid Cross
- A cross with two traits
- Intermediate Inheritance
- When two traits are neither dominant or recessive
- Co-Dominance
- When two traits are neither dominant or recessive
- Polygenic Inheritance
- When two or more genes affect a single character
- Chromosomal Theory of Inheritance
- States that genes are located on chromosomes
- Gene Locus
- The alleles of a gene that reside at the same location
- Genetic Linkage
- The tendency for the alleles on one chromosome to be inherited together
- Sex-Linked Gene
- Any gene that is located on a sex chromosome