Term
|
Definition
| the differetn forms of a gene. Yandyare different alleles of the gene that determine the color |
|
|
Term
|
Definition
| a trait expressed preferentialy over another trait |
|
|
Term
|
Definition
| offspring of a cross between true breeding plants, homozygous for the trait of interest |
|
|
Term
|
Definition
| offspring of a cross involving the F |
|
|
Term
|
Definition
| offspring of a cross involving the F1 generation |
|
|
Term
|
Definition
| the genetic constitution of an organism with trespect to a trait. yellow seeds are dominant, but yellow seeded plants could have a genotype of either YY or yy |
|
|
Term
|
Definition
| differing alleles for a trait in an individual, such as YY |
|
|
Term
|
Definition
| both alleles for a trait are the same in an indvidual. they can be homozygous dominant (YY), or homozygous recessive (yy) |
|
|
Term
|
Definition
| heterozygous; usually reffering to the offspring of two true-breeding individuals differing in the traits of intrests |
|
|
Term
|
Definition
| cross involving parents differing in only one trait |
|
|
Term
|
Definition
| change in the DNA sequence of a gene to some new, heritable form. generaly, but now always a recessive allele |
|
|
Term
|
Definition
| the physical apperence of an organism with respect to a trait |
|
|
Term
|
Definition
| the opposite of dominant. a trait that is preferntially masked |
|
|
Term
|
Definition
| a gene coded on a sex chromosome, such as the X-chromosome linked genes of flies and man |
|
|
