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q what do you mean by descriptorsdescriptors are selected terms used to describe the sensory attributes of products and vary from one product to the
what are few examples of phenotypical characteristics that present two or more varieties and of phenotypical features that do not vary in relation to
what are the situations in which the environment can alter the genotype of an individual what is the condition for this type of change to be
q illustrate the descriptive analysis of sensory methodsensory methods may be used to quantify the perceived intensities of the sensory attributes
q define taste sensitivitythe concentration of a substance in saliva required to trigger the sensation of taste is much higher than the concentration
are environmental phenotypical changes transmitted to the offspringchanges caused on the phenotypes by the environment are not transmitted to the
does the environment exert an influence on the phenotypethe phenotype may be altered compared to the original situation conditioned by its genotype
what is genotype what is the difference between phenotype and genotypethe genotype is the genes dna nucleotide sequences contained in the chromosomes
what is the phenotypephenotype is every observable characteristic of a living being conditioned by its genes a few phenotypes may be altered by
q requirements for the evaluation processsome of the requirements to be kept in mind for the evaluation of the products are listed herewithbull
are the alleles of a gene essentially originated one from the father and the other from the mother are there exceptionsit is natural so that alleles
define disadvantages of direct microscopic count1 small cells are difficult to see under the microscope and may be missed2 it gives total count ie
define advantages of direct microscopic count1 it is easy inexpensive and relatively quick method2 it gives information regarding size and morphology
q tests for sensory evaluationtests for sensory evaluation are of three typesbull difference testing - this is the sensory testing designed to
explain direct microscopic count - measurement of microbesthe most obvious way to determine microbial number is through direct counting under a
what is quantitative techniquesmicrobial quality of substances like food milk air water soil etc can be assessed both qualitatively and
explain the quantitative techniquesnow that we are well-versed with the techniques involved in preparing and maintaining cultures it is also
what are the alleles of a genethe diploid individuals have paired chromosomes for instance in humans there are 23 pairs of chromosomes totaling 46
q can you explain texturetexture indicates the characteristic of a food and would include descriptive parameters like graininess softness chewiness
what is signifying by gene locusthe gene locus locus means place is the location of a gene in a chromosome that is the position of the gene in a dna
how is the concept of chromosome related to the concept of the genea chromosome is a dna molecule and chromosome may contain several different genes
q show the combination of taste and aromaflavour is composed of two subcategories which are taste and odour flavour of a food is judged on the basis
q what do you mean by sensory perceptionthe appearance of a food can be evaluated in terms of colour surface characteristics such as smoothness of a
is gene a triplet of consecutive dna nucleotidesa gene isnt a triplet of dna nucleotides with their respective nitrogen-containing bases like cgt or
q what is sensory evaluationfoods have several characteristics that require evaluation by sensory methods the various food attributes that are judged