Home
Class 12
BIOLOGY
In guinea pig, black short hair (BBSS) i...

In guinea pig, black short hair (BBSS) is dominant over white long hair (bbss). In the dihybrid cross, `F_(2)` genotype BBSS, BbSS,BBSs and BbSs appears in the ratio of

A

`9:3:3:1`

B

`4:2:1:2`

C

`1:2:1:4`

D

`1:2:2:4`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

In what ratio the parental phenotypes will appear in F_(2) generation of dihybrid cross

Show the result of hybridization till F2 generation between a pure black (BB) coarse haired (RR) guinea-pig and a pure white (bb) smotth haired (rr) . Guinae-pig by a cheaker board. State the conclusion one can reach from this hybridization experiment.

Cross between homozygous black rough (BBRR) guinea pig and homozygous white smooth guinea pig (bbrr) produced black and rough animals in F_(1) generation. Presuming the genes to be present on different chromosomes, the percentage of F_(2) individuals which are heterozygous for both the gene pairs would be

Identify where the ratio of phenotype and genotype is 1, if in Mendel's dihybrid cross(Yellow Round x Green Curly) is done upto F_2 generation.

Identify where the ratio of phenotype and genotype is 1, if in Mendel's dihybrid cross(Yellow Round x Green Curly) is done upto F_2 generation.

A snapdragon plant homezygous for red flower when crossed with a white flowered plant of the same species produced pink flowers in F_(1) generation. (a) What is the phenotypic expression called ? (b) Work out the cross to show the F_(2) generation when F_(1) was self-pollinated. Give the phenotypic and genotypic ratios of f_(2) generation. (c) How do you compare the f_(2) phenotypic and genotypic ratios with those of Mendelian monohybrid f_(2) ?

"F"_(2) generation in Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1 . It represents a case of: 1. Dihybrid cross 2. Monohybrid cross with complete dominance 3. Monohybrid cross with incomplete dominance 4. Co-dominance

A blue fowl obtained from mating between black and white fowls, is self-crossed. The F_(2) ratio is

When a tall plant with long sized starch grains (TTLL) is crossed with a dwarf plant with short starch grains (ttll), the F1 generation consists of tall plant with intermediate sized starch grains. What Would be the phenotypic ratio of tall plants and plants with long sized starch grains in F2 generation?

During a dihybrid cross in the F_(2) generation, the ratio of inidviduals showing one dominant and other recessive character will be ……… of parents with contrasting characters