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bioogical plant scie

Unit 5: Plant Genetics and Heritability

QuestionAnswer
matching genes on homologous chromosomes allele
that part of a cell that contains information about genetic makeup and transmits that information to offspring; made up of proteins and nucleic acids; consists of DNA chromosome
a genetic protein-like nucleic acid in plant and animal genes and chromosomes that controls inheritance deoxyribonucleic acid (DNA)
causes a certain characteristic to be expressed; present in offspring dominant gene
an offspring of two parents in which the offspring is sterile F1 hybrid
the specific determiner of heredity gene
the genetic makeup genotype
the portion of the differences in animals that is transmitted from parent to offspring heritability
having different alleles for a single trait and therefore producing two or more different kinds of gametes heterozygous
having identical alleles at one or more loci and therefore producing identical gametes homozygous
a chemical messenger substance produced in one location of an organism and carried to another where it has a specific effect(s) hormone
the act of the offspring outperforming the parents due to gene combination hybrid vigor (heterosis)
when either gene is dominant, both genes are expressed (example: red and white cattle produce a roan colored calf) incomplete dominance
an accident of heredity in which an offspring has different characteristics than the genetic code intended mutation
the physical appearance of an organism phenotype
a common method predicting the genotypes and phenotypes of offspring using a matrix Punnett Squar
the character will be masked if either parent has a dominant gene; will only be expressed if the alleles from both parents are the same (and not dominant) recessive gen
Created by: rhorn
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