| heredity_14-1_and_14-2_new.ppt |
| 11.3.ppt |
| 11-2_genetics_and_probability.ppt |
| 11-1.ppt |
| genetics_chapter_11.pptx |
Study Guide - Chapter 11 and 14
Some Vocabulary you should know!
Genetics: The scientific study of heredity
Fertilization: the process in sexual reproduction in which male and female reproductive cells join to form a new cell
Trait: a specific characteristic of an individual
Gene: A factor that is passed from parent to offspring
Allele: One of a number of different forms of a gene
The Principle of Dominance: states that some alleles are dominant and others are recessive
Probability: the likelihood that an event will occur
Homozygous: having two identical alleles for a particular gene
Heterozygous: having two different alleles for a particular gene
Phenotype: the physical characteristics of an organism
Genotype: the genetic makeup of an organism
Codominance: a situation in which the phenotypes produced by both alleles are completely expressed
Example: Speckled black and white chickens
Incomplete dominance: a situation in which one allele is not completely dominant over another
Example: Red flower crossed with white flower produces a pink flower
Karotype: a photograph of the complete set of chromosomes grouped in pairs
Sex-linked gene: a gene located on a sex chromosome
Pedigree: A chart that shows the presence or absence of a trait according to the relationships within a family across several generations.
Nondisjunction: An error in meiosis in which the chromosomes fail to separate properly.
Genetics: The scientific study of heredity
Fertilization: the process in sexual reproduction in which male and female reproductive cells join to form a new cell
Trait: a specific characteristic of an individual
Gene: A factor that is passed from parent to offspring
Allele: One of a number of different forms of a gene
The Principle of Dominance: states that some alleles are dominant and others are recessive
Probability: the likelihood that an event will occur
Homozygous: having two identical alleles for a particular gene
Heterozygous: having two different alleles for a particular gene
Phenotype: the physical characteristics of an organism
Genotype: the genetic makeup of an organism
Codominance: a situation in which the phenotypes produced by both alleles are completely expressed
Example: Speckled black and white chickens
Incomplete dominance: a situation in which one allele is not completely dominant over another
Example: Red flower crossed with white flower produces a pink flower
Karotype: a photograph of the complete set of chromosomes grouped in pairs
Sex-linked gene: a gene located on a sex chromosome
Pedigree: A chart that shows the presence or absence of a trait according to the relationships within a family across several generations.
Nondisjunction: An error in meiosis in which the chromosomes fail to separate properly.