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Hybrid (biology)


When two distinct types of organisms breed with ... in one parent or the other (e.g. , a bird hybrid ...

The trait is the one expressed in a hybrid organism - Answers.com





Codominance - Condition in which two alleles of a locus are expressed in a ... Dominance, principle of - Genetic principle that states that in an F1 hybrid the ... of organism i.e. one in which all individuals are homozygous for the traits under ...

Transgressive character expression in a hybrid sunflower species.


Transgressive character expression in a hybrid sunflower species. ... for one trait (2.4%), parental-like for 23 traits (56.1%), and transgressive for 17 traits (41.5%) ...

Biology Chapter 9 Flashcards | Quizlet


Crosses involving a study of one gene are called monohybrid crosses. ... An organism that has two identical alleles for a trait is called .... A situation in which both alleles for a trait are expressed in a heterozygous offspring is called ...

genetics notes bi - Biology Junction


The offspring of this cross were all hybrids showing only the dominant trait & were ... (heterozygous), the trait of only one (the dominant one) will be expressed.

Basic Principles of Genetics: Glossary of Terms


In contrast, an acute disease is one with a rapid onset and a short but usually severe course. ... the situation in which two different alleles for a trait are expressed unblended in the .... Genotype can refer to an organism's entire genetic makeup or the alleles at a ... hybrids click this icon to hear the preceding term pronounc...

Mendel's Law (Theory) : Virtual Anthropology Lab : Other ...


These crosses occur in all major groups of sexually reproducing organisms. In a monohybrid cross between two homozygous individuals with respect to flower colour, .... The one trait in this case, a wrinkled seed not expressed in the offspring, ...

The Biology Project: Vocabulary - University of Liverpool


A trait expressed preferentially over another trait. ... One gene masks the expression of a different gene for a different trait. ... cross involving the F1 generation. genotype: The genetic constitution of an organism with respect to a trait. ... hybrid: heterozygous; usually referring to the offspring of two true- breeding (homozygous...

Vocab For Genetics - VCC Library - Vancouver Community College


alleles for each gene – one from each parent. Carrier. An individual ... The trait that will be expressed when two different alleles of a gene are present. ... Hybrid. The product of a cross between two genetically unlike organisms. The resulting ...

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Genetics Vocabulary


... of a trait of an organism; Crossing over — exchange of genetic material between non-sister ... Homozygous — when there are two identical alleles for a trait; Hybrid ... Meiosis — type of cell division where one body cell produces for gametes, ...



One of Gregor Mendel's great discoveries was the Principle of Dominance. ... different versions of a particular trait, one of those versions apparently disappeared in the hybrid ... relationships, in the heterozygote both alleles will be completely expressed. ... created by and influenced by all of the other genes in the organism.

Alleles, Genotype and Phenotype | Science Primer


A diploid organism can either have two copies of the same allele or one copy ... Recessive alleles are only expressed when an organism is homozygous at that ... In more complicated cases, multiple genes can influence individual traits. ... Punnett Square · Genotype and phenotype probabilities with a monohybrid cross.