Search Results for: cross-over
Cross-linking
Cross-linking Definition Cross-linking, in general, means the forming of cross-links between the joining structures. In... Read More
Genotypic ratio
Genotypic Ratio Definition To understand 'Genotypic ratio', let us first understand the terms: 'Genotype' and 'Phenotype'.... Read More
Phenotypic ratio
Phenotypic Ratio Definition How would one define phenotypic ratio? The correlation between the amount of offspring that... Read More
Inherited traits
What are Inherited Traits? The characteristics or traits that are passed from parents to offspring are known as inherited... Read More
Punnett Square
Punnett Square Definition A tool that helps to show all possible allelic combinations of gametes in a cross of parents with... Read More
First filial generation
Definition noun (genetics) The filial generation comprised of offspring(s) resulting from a cross between two individuals... Read More
Incomplete dominance
Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More
Second filial generation
Definition noun (genetics) The filial generation comprised of offspring(s) resulting from a cross between two individuals... Read More
Test cross
Definition noun Crossing an organism with dominant genotype to a recessive homozygote for a specific phenotype in order to... Read More
Monohybrid
Definition noun, plural: monohybrids (1) Monohybrid cross, i.e. the cross between parents with different alleles for a... Read More
Longitudinal section
Longitudinal Section Definition To describe the direction of movements and location of different body structures, a... Read More
Cross-sections
Cross-section (Science: physics) Usually refers to the (apparent) area presented by a target particle to an oncoming... Read More
Parenchyma
Parenchyma Definition What does parenchyma mean? Let's define the word "parenchyma". Most of the functional tissues in... Read More
Parental generation
Definition noun (genetics) The first set of parents crossed in which their genotype is the basis for predicting the... Read More
Filial generation
Definition noun, plural: filial generations (genetics) Any generation resulting from a genetically controlled mating... Read More
Cross-section
Cross-section (Science: physics) Usually refers to the (apparent) area presented by a target particle to an oncoming... Read More
Pollen Grain
What are Pollen Grains? Plants are unique structures and so they carry out mechanisms in special ways. Fertilization in... Read More
Sympatric speciation
Speciation is a process of evolution through which two different existing populations evolve and a distinct species form. It... Read More
Monohybrid cross
Definition noun A genetic cross between homozygous individuals but with different alleles for a single gene locus of... Read More
Codominance
Codominance Definition Codominance is a form of inheritance wherein the alleles of a gene pair in a heterozygote are fully... Read More
Interspecific hybridization
'''Interspecific hybridization Crossing of two species that are from within the same genus. Examples are zebra/donkey cross... Read More
Self pollination
Definition noun (botany) A type of pollination in which the pollen from the anther of the flower is transferred to the... Read More
Cross-pollination
Definition noun (botany) A type of pollination in which the pollen from the anther of a flower is transferred to the stigma... Read More
Sexual reproduction
Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More
Cell membrane
Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More
Multiple alleles
Alleles are the pairs of genes occupying a specific spot called locus on a chromosome. Typically, there are only two alleles... Read More
Probability
Probability Definition How do you define probability? In science, probability is a measurement tool that calculates the... Read More
Plasma membrane
Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More
Peptidoglycan
Definition noun, plural: peptidoglycans (1) A glycan (a polysaccharide) attached to short cross-linked oligopeptides in the... Read More
Complete dominance
Complete Dominance Definition Genetics is the study of how traits are inherited by organisms and in what ways these... Read More
Reproduction
Reproduction Definition Reproduction is a biological phenomenon of producing offspring/s. i.e. more of its kind. Depending... Read More
Mendel’s Law & Mendelian Genetics
Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial, Dominance, has described Gregor Mendel’s law of... Read More