2. How would you determine that the inheritence of a character is uniparental or biparental?
3. Reciprocal crosses are 2 step hybridization experiments where
4. What type of inheritece do you expect i following hybridization experiments:
( i ) Male pocky strain of Neurospora X Female Non pocky strain of Neurospora = All non pocky
( ii )Female Pocky Strain of Neurospora X Male Nonpocky strain of Neurospora = All pocky
5. Who was the founder of Qualitative or Monogenic inheritence ?
6. Who was the father of Quantitative or Polygenic inheritence?
7. How will you demonstrate the number of possible gametic types produced by a given genotype experimentally?
8. What will be thepossible no. of gametic types produced by genotype AaBb if A and B genes are completely linked?
8. What will be the no. of gametic types produced by AaBb if A and B are incompletely linked?
9. Find the no. of gametic types in AaBbCcDdEe , if A and B are linked ?
10. What fraction of progene with aabb genotype will be got if a test cross was made between AaBb X aabb
To determine the no. of gamete types by a heterozygous mouse having genotype PpQq , it should be crossed with
Instead of 7 pair , if there were 3 pair of chromosomes , which principle of Mendel would have been affected?
Deletion heterozygotes usually shows
The term hybrid vigour was given by
Incomplete dominance was discovered by
Suppose there are 2 characters and both follows incomplete dominance. What phenotypic ratio do you expect if a dihybrid cross was made ?
What will be dihybrid phenotypic ratio if one character shows dominance while other shows partail dominance?
Which is not the possible genotype of the gamete?
What will be the no. of dihybrids in Mendelian F2 generation population of 10,000?
What is the fraction of dihybrids in F2 generation if F1 dihybrids are selfed?
In Mendelian dihybrid cross the ratio between parental dominant and parental recessive are
What would be the recombinant frequency in Mendelian independent assortment ?
During most of the hybridisation experiments , the recombination frequency remains lower than the expected range of 50% . This is due to
If we assume that all the 4 chromatids of a homologous tetravalent participate in 2 point crossing over , the expected recombination frequency is
The 2 genes i Drosophila are situated at a distance of 86 Mapunit. The recombination frequency between these genes is
A test cross was made for the orgaism having the genotype AaBb. If the genes A and B shows 20% recombiation , what fraction of progene will have aabb genotype?
A test cross was made for the organism having the genotype AaBb. If the genes A and B shows 20% recombination, what fractio of progene will have Aabb genotype?
The genes A and B are liked over the same chromosome and have a distance of 24 mapunit. If a dihybrid of both these 2 genes was test crossed , what proportion of progene will have AaBb?
A test cross was made for heterozygous Drosophila having grey body and long wings , with its recessive form having black body and vestigial wings and the following data were obtained :
1. Grey body and long winged drosophila = 1600
2. Grey body ad vestigial winged = 400
3. Black body ad long winged = 400
4. Black body and vestigial winged =1200
On the ground of above data , the recombination frequency between the genes governing body colour and wing shape is
A test cross was made for heterozygous Drosophila having grey body and long wings , with its recessive form having black body and vestigial wings and the following data were obtained :
1. Grey body and long winged drosophila = 1600
2. Grey body ad vestigial winged = 400
3. Black body ad long winged = 400
4. Black body and vestigial winged =1200
On the ground of above data , what is the distance between these genes?
Who discovered Incomplete likage?
Who discovered Complete Linkage?
Who is known as the father of Modern Genetics?
Who is known as " Father of Experimental Genetics" ?
Chromosome Theory of Linkage was given by
Chromosomal theory of Heredity was given by
Strength of linkage is inversely proportional to
What is the probability of getting AAbbccDD if AAbbCcDD is subjected to selfing?
Test cross ratio when linkage is seen is
Sometimes XY female and XX male are reported in human populatio . This may be due to
A normal man whose father was haemophilic marries a normal man. What % of resulting progene will be haemophilic?
A normal woman whose father is haemphilic marries a normal man. What will be the % of normal son?
A female dog gives birth to 7 puppies . What is the probability that the 3 puppies are male?
Batteson and Punnet when performed dihybrid test crossto observe coupling phase incomplete linkage , obtained the 4 pheotypic proportion. What proportion of F2 pprogene i his experiment were having white flower ad long pollen?
Epistasis differs from domiance in being
A dihybrid purple flowered plant of sweet pea was crossed with colourless flowered plant where complementary genes are recessive but genes for purple colour are dominant. What ratio of purple and non purple plants is expected in the progene?
A pureline rose comb poultry was crossed with heterozygous for walnut comb. What fraction of progene will have rose comb?
A wheat plant heterozygous for deep red pericarp was crossed with pureline plant with light red pericarp . What proportion of progene have deep red pericarp?
Sickle cell Anaemia is a recessive lethal disorder where Beta chain shows substitution of
Which mutational change has occured due to which Hb normal gene is converted to Hb sickle shaped?
What will be F2 phenotype ratio for a dihybrid cross if the 2 different genes governing this 2 character are lethal?
What will be the F2 phenotype ratio for dihybrid cross where the gene governig 1 character is lethal while another is normal?
Which of the following case in bacteria will follow complementatio test?
Complementation test leads to gene conversion in most cases. This is due to
Cat cry syndrome is caused due to deletio of short arm of 5th pair of chromosome . This deletion takes place in
Nooman Syndrome is
Klinefilters syndrome is represented as
If karyotype is arranged in order of decresing chromosome size , the resulting formulation is called
Which of these is caused due to structural change in chromosome?
Gauchers disease is caused due to defect in gene coding for