Question 1 :
In the monohybrid cross Tt x tt, the phenotypic ratio of the progeny would be 

Question 2 :
If a cross is made between two individuals, each having genotype Bb, two offsprings are obtained. Out of these first has dominant trait. What is the probability that the second offspring will exhibit recessive trait?

Question 4 :
A cross done between a homozygous recessive and a heterozygous plant is called as<br/>

Question 5 :
An offspring of two homozygous parents differing from one another by alleles at only one gene locus is

Question 6 :
F$_1$ generation of a cross between a red flowered plant and a white flowered plant predominantly consisted of red flowered plants indicating red flower trait is

Question 7 :
Among seven pairs of traits studied by Mendel, the number of traits related to flower, pod and seed were

Question 8 :
The cross used to ascertain whether the plant is homozygous or heterozygous is

Question 9 :
The Punnett square below shows a cross between a pure tall and heterozygous tall plant. What is the total number of tall offspring represented in the Punnett square?<br/>T- tall plant<br/>t- short plant<br/><table class="wysiwyg-table"><tbody><tr><td></td><td>T</td><td>T</td></tr><tr><td>T</td><td>TT</td><td>TT</td></tr><tr><td>t</td><td>Tt</td><td>Tt</td></tr></tbody></table>

Question 10 :
For the alleles $A,B,C,D$ where, $A=B&gt;C=D$ the number of phenotypes obtained will be

Question 11 :
A cross between two tall garden pea plants produced all tall plants. The possible genotypes of the parents are <br/>I) TT, TT <br/>II) TT, Tt <br/>III) Tt, tt <br/>IV) Tt, Tt

Question 14 :
Monohybrid cross F${_1}$ progeny Tt is inbred. What will be the maximum types of F${_2}$ genotypes?

Question 15 :
The genotype of a plant showing the dominant phenotype can be determined by

Question 16 :
When two individual of F1 generationare crossed with each other the phenomenon is called___

Question 17 :
From a single ear of corn, a farmer planted 200 kernels which produced 140 tall and 40 dwarf plants. The genotype of these offsprings are most likely

Question 18 :
A tall plant was crossed with a short plant, and both tall and short offspring were produced. This is an example of<br/>

Question 19 :
Which of the following is correct about traits chosen by Mendel?

Question 20 :
Which one of the following cannot be explained on the basis of Mendel's Law of Dominance _________________________.

Question 22 :
In Drosophila, the allele for a normal grey body colour G is dominant to ebony body g. The following tablesummarises the results of several crosses.<br><br><br><table class="wysiwyg-table _wysihtml5-temp-1534531855229"><tbody class=" _wysihtml5-temp-1534531855229"><tr class=" _wysihtml5-temp-1534531855229"><td class=" _wysihtml5-temp-1534531855229">S. No.</td><td class=" _wysihtml5-temp-1534531855229">Cross</td><td class=" _wysihtml5-temp-1534531855229">Result</td></tr><tr class=" _wysihtml5-temp-1534531855229"><td class=" _wysihtml5-temp-1534531855229">1.</td><td class=" _wysihtml5-temp-1534531855229">strain 1*gg</td><td class=" _wysihtml5-temp-1534531855229">all wild-type</td></tr><tr class=" _wysihtml5-temp-1534531855229"><td class=" _wysihtml5-temp-1534531855229">2.</td><td class=" _wysihtml5-temp-1534531855229">strain 2*gg</td><td class=" _wysihtml5-temp-1534531855229">1 wild type: 1 ebony</td></tr><tr class=" _wysihtml5-temp-1534531855229"><td class=" _wysihtml5-temp-1534531855229">3.</td><td class=" _wysihtml5-temp-1534531855229">strain 3*gg</td><td class=" _wysihtml5-temp-1534531855229">all ebony</td></tr><tr class=" _wysihtml5-temp-1534531855229"><td class=" _wysihtml5-temp-1534531855229">4.</td><td class=" _wysihtml5-temp-1534531855229">strain 4*Gg</td><td class=" _wysihtml5-temp-1534531855229">3 wild type:1 ebony</td></tr></tbody></table><br>Which strain both have the genotype Gg?

Question 24 :
In case of taster and non-taster human beings, T is&#160;for dominance and t is for recessive gene. Which of&#160;the following would not be able to taste PTC (Phenylthiocarbamide)?

Question 25 :
Grain colour in wheat is determined by three pairs of polygenes. Following the cross AABBCC (dark colour) x aabbcc (light colour), how many plants will be produced with the genotype AABBCC?

Question 26 :
A true breeding plant producing red flowers is crossed with a pure plant producing white flowers. Allele for red colour of flower is dominant. After selfing the plants of first filial generation, the proportion of plants producing white flowers in the progeny would be<br>

Question 27 :
In an organism, tall phenotype is dominant over recessive dwarf phenotype and the alleles are designated as T and t, respectively. Upon crossing two different individuals, total 250 offsprings were obtained, out of which 124 displayed tall phenotype and rest were dwarf. Thus, the genotype of the parents were<br/>

Question 28 :
Mendel observed red flowers in $F_1$ when he crossed red and white flowered plants because of

Question 29 :
Which one is not a dominant trait amongst seven Pea traits chosen by Mendel?

Question 30 :
A cross was made between tall and dwarf plants. In $F_1$ plants were selfed, the tall and dwarf plants appeared in 3:1 ratio in $F_2$ generation. This phenomenon is known as