Principle of inheritance and variation practice · Medium

In Snapdragon, pure line tall plant with red flower was crossed with dwarf and white flowered plant; $F_1$ was test crossed to obtain $F_2$. What is the probability of getting progeny with dominant parental traits?

Incomplete dominance is seen in?

Linkage group is

Pedigree analysis indicated that Mendel’s principal are also applicable to …A… genetics with some modifications find out like …B… inheritance, sex linked inheritance and others.
Choose the correct option for $A$ and $B$

Probability of genotype TTrr in ${\mathrm{F}_2}$-generation of a dihybrid cross is

Jumping genes in maize were discovered by

Mendelism was rediscovered by
I. Morgan
II. De Vries
III. Correns
IV. Tschermark
Choose the correct option

Linkage group in E .coli is/are

Emasculation is the removal of

Choose the incorrect statement regarding $F_2$ generation of Mendelian dibybrid cross.

In fruit flies, dumpy wings are shorter and broader than normal wings. The allele for normal wings (D) is dominant to the allele for dumpy wings (d). Seventy five normal-winged and twenty five dumpy-winged flies. The genotype of parents would be

The total number of progeny obtained through dihybrid cross of Mendel is 1280 in ${\mathrm{F}_2}$-generation. How many are recombinants?

Who clearly proved and define linkage?

A pure tall and a pure dwarf plant were crossed to produced offsprings. Offsprings were self crossed, then find out the ratio between true breeding tall to true breeding dwarf?

A marriage between normal visioned man and colourblind woman will produce, which of the following types of offspring’s?

Incomplete linkage is …A… . Complete linkage is …B… . Choose correct option for A and B

The phenotype of F1 hybrid resemble both of the parents in

Principle or laws of inheritance were enunciated by

A plant heterozygous for three allelic pairs, undergoes selfing, then how many genotypes regarding these alleles will be produced in $F_1$ generation?

Mendel was a

A normal woman, whose father was colour blind is married to a normal man. The sons would be

Example of interagenic gene interaction is/are

Disorder inherited as Mendel’s law of inheritance called

The possibility of a female becoming a haemophilia is …A… rare because mother of such a female has to be at least …B… and the father should be …C…
Choose the correct option for A, B and C

Night blindness can be corrected by giving vitamin- …A… but colour blindness can’t be cured because it is …B… disease.
Choose the correct option for A and B

Harmful mutation does not get eliminated from the gene pool because they are mainly

A normal women whose father was colourblind, is married to a normal man. The sons would be

In a H – W population, 16 % of population is provided with 400 ebony fruit flies , then the total population is ( Note : ebony is not a dominant trait )

Linked Gene pair Cross Over Value (COV)
T and U 25
T and V 5
V and U 30
U and W 10
V and W 20
COV are given for linked gene pair. Find out their sequence in the chromosome

A diseased man marries a normal woman and they get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is