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why does the recombination frequency of genes vary with the distance between them in the chromosomethe farther the distance among the loci of two
explain counter stain - ziehl-neelsen methodmethylene blue is used to stain previously decolourized cells all non acid-fast bacteria de-stained by
q effect of various additives on the stability of egg foam recognize the different stages in the foam formation explain the effect of various
explain the decolourizing agent - ziehl-neelsen methodacid alcohol - a mixture of 95 ethanol and 3 hci - is used for decolourization before
explain the primary stain - ziehl-neelsen methodordinary aqueous stains like methylene blue crystal violet etc are not able to stain most of the
what is recombination frequencythe recombination frequency or crossing over rate is the percentage of recombinant gametes made by crossing over in
in genetic recombination by crossing over what is the difference between parental gametes and recombinant gametesthe parental gametes are those
what is crossing over how is meiosis related to this phenomenonthe linked alleles for instance a-b and a- b form the gametes a-b and a-b that
what is linkagetwo genes are assumed to be under linkage or linked when they reside in the same chromosomefor instance the research of the human
define ziehl-neelsen staining techniqueziehl-neelsen staining is used for staining these bacteria the technique was discovered first by robert koch
why is drosophila a convenient animal for the study of linked genesthe fruit fly drosophila is appropriate for the study of genetics because it
explain the acid fast stainingacid fast staining is a type of differential staining used for identification of certain bacteria eg mycobacteria which
why is not mendels second law always valid for two or more phenotypical traits of an individualthe mendels second law or the law of the independent
define counter stain - staining techniquefinally the smear is counter stained with a simple basic dye different in colour from crystal violet
what is mitochondrial inheritancethe mitochondrial inheritance is the passage of mitochondrial dna molecules mtdna to the offspring all the stock of
q classification of emulsifiersemulsifiers can be classified under two categories these arebull natural these are naturally present in foods some
explain the decolourizing agent - stain technique95 ethanol is used as a decolourizing agent it has two functions -1 it acts as protein - dehydrating
why is sex-linked inheritance an example of nonmendelian inheritancethe sex-linked inheritance is a kind of nonmendelian inheritance because it
q major functions of emulsifiersthe major functions of emulsifiers in food systems are as follows the emulsifierbull modifies the intermolecular
define the primary stain and mordanti primary stain - crystal violet is the primary or first stain which stains all the cells violetpurpleii mordant
explain the gram staining techniquegram staining is a differential staining procedure which divides bacteria into two groups gram positive and gram
how to find the number of pair of alleles involved in polygenic inheritance using the number of phenotypical forms of the trait they
q what is an emulsifier an emulsifier is a compound that contains both polar and nonpolar groups and thus is drawn to the interface between the two
q explain emulsion stabilitythe stability of an emulsion is determined by the viscosity of the continuous phase presence of an emulsifier the
explain differential staining techniqueit divides bacteria into separate groups based on staining properties like grams stain acid-fast stain etc