Question 2 :
In pea, yellow seed colour is dominant over green colour. Heterozygous yellow seeded plant is crossed with green seeded plant. The ratio of yellow &amp; green seeded offspring will be<br/>

Question 4 :
In man, the blue eye colour is recessive to the brown eye colour. If the boy has brown eye and his mother is blue eyed, what would be the phenotype of his father?

Question 5 :
The law of segregation of characters postulated by Mendel can be related to

Question 8 :
When a plant of F$_{1}$&#160;generation is crossed with homozygous dominant parent, it is known as

Question 9 :
How many characters of pea pod were chosen at a time by&#160;Mendel?

Question 10 :
Mendel studied seven contrasting characters for his breeding experiment with <i>Pisum sativum</i>, which of the following character did he not use?

Question 13 :
What proportion of the $f1$ generation will be short will wrinkled seeds when pure tall round plant is crossed with pure dwarf wrinkled seeded plant?

Question 14 :
The percentage of heterozygous individuals obtained in F$_{2}$ generation from selfing the plants with genotype Rr would be

Question 15 :
Which one of the following pairs is not of a contrasting character?

Question 16 :
Which one of the following traits of garden pea studied by Mendel, was a recessive feature?

Question 17 :
When a cross is made between round seed and yellow seeds (RrYy) and round seed and green seeds (Rryy), what proportion of phenotype in the offspring could be expected to be wrinkled and green

Question 21 :
When a pure bred, red flower -producing plant of genotype RR is crossed with pure bred , white flowers-producingplantof genotype rr,all the ${ F }_{ 1 }$ plants produced pink flowers If all the plant in each generation from ${ F }_{ 1 }$ to${ F }_{ 6 }$ are selfed, what will be the percentage of plants with red and white flowers in the final population of plants with red and white flowers in the final population consisting of a large number of individuals? (Consider that flowers colour has no effect on reproduction and survival.)

Question 22 :
For Mendelian dominance, a man is homozygous and woman is heterozygous for a disease. What is the percentage of their homozygous children for the said trait?<br/>

Question 23 :
The&#160; grain colour of wheat is determine by the additive effects of two pairs of genes Accordingly the $F_2$ inhertance appears in the ratio of $15$ red ,$1$ white&#160; the fifteen red appear in different shades in the ratio of&#160;

Question 24 :
Choose the correct answer from the alternatives given.<br>Whichcharacteristic of pea plants was not important in their selection as Mendels research organism?

Question 27 :
Heterozygous tall (Tt) and dwarf(tt) pea plant are crossed. The ratio in the offspring shall be

Question 31 :
A cross between a tall pea plant and dwarf pea plant resulted tall progenies in $F_1$ generation, because

Question 32 :
Which law of Mendel is explained in the given statement?<br/>&#34;In a dissimilar pair of factors, one member of the pair express in presence of other members&#34;

Question 33 :
Mendel observed red flowers in $F_1$ when he crossed red and white flowered plants because of

Question 34 :
Scientists are investigating plants as experimental organisms for studies of genetics. The scientist in charge claims that these plants use complete dominance as their mode of inheritance for the traits being investigated.<br><br>Which of the following statements would support this claim?

Question 35 :
When a cross is made between a tall plant with yellow seeds (Tt Yy) and a tall plant with green seeds (Tt yy), what is true regarding the proportions of phenotypes of the offsprings in F1 generation?<br>Proportion of Tall and Green Proportion of Dwarf and Green

Question 36 :
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 37 :
How many pairs of true breeding varieties were selected by Mendel for his experiment on pea plant?<br/>

Question 38 :
If Mendel might have studied 7 pairs of characters&#160;in a plant with 12 chromosomes, instead of 14, then

Question 40 :
Phenotypic and genotypic ratios according to Mendel's pattern of inheritance is&#160;

Question 41 :
Which of the following statement is true about Mendel's law of segregation?<br/>

Question 42 :
The presence of recessive part in a large populationis found to be 16%. The frequency of dominantallele in that population is

Question 43 :
Pure tall plants are crossed with pure dwarf plants. In the ${F}_{1}$ generation, all plants were tall. These tall plants of ${F}_{1}$ generation were selfed and the ratio of tall to dwarf plants obtained in $F_2$ was $3 : 1$. This is called as

Question 44 :
Grain colour of wheat is determined by three pairs of polygenes. What proportion of F$_2$ progeny will resemble either parents following a cross of AABBCC (dark colour) with aabbcc (light colour)?

Question 45 :
In pea plant, yellow seeds is dominant over green seeds. If heterozygous plant having yellow seeds crossed with plant having green seeds then what is the ratio of yellow and green plant in $F_1$ generation?

Question 46 :
A tall plant was grown in nutrient deficient soil and remained dwarf. When it is crossed with dwarf plant then

Question 48 :
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 52 :
If a plant is heterozygous tall and produced tall as well as dwarf in $F_2$ generation, it represents the law of

Question 53 :
Which one is not a dominant trait amongst seven Pea traits chosen by Mendel?

Question 54 :
Which one of the following will not be possible if the allele for dark-colored hair is dominant over the allele for light-coloured hair?

Question 55 :
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

Question 56 :
The graphical representation to calculate the probability of all possible genotypes of offspring in a genetic cross in called

Question 58 :
Assertion: A gamete may carry either of the alleles but not both. Reason: This is Mendel's second law or law of independent assortment.

Question 59 :
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 60 :
Consider the following four statements (1,2,3 and 4) and select the right option for incorrect statement.<br>a.Mendelian experiments had large sampling size, which gave greater credibility to the data that he collected.<br>b.Recessive allele influences the appearance of phenotype even in the presence of an alternative allele.<br>c.multiple alleles can be found only when population studies are made.<br>d.In $F_2$, generation of Mendelian monohybrid cross, the tall and Dwarf traits were identical to their parental types and showed blending.

Question 61 :
Name the scientist who converted Mendel's conclusions into principles of heredity

Question 62 :
If in a garden pea plant, a cross is made between red flowered and white flowered plants. What will be the phenotypic ratio in F$_{2}$&#160;generation?

Question 64 :
In garden pea, round shape of seeds is dominant over wrinkled shape. A pea plant heterozygous for round shape of seed is selfed and 1600 seeds produced during the cross are subsequently germinated. How many seedlings would have the parental phenotype?

Question 65 :
When a dihybrid cross is fit into a Punnett Square with 16 boxes, the maximum number of different phenotypes available are

Question 67 :
Mendel studied the inheritance patterns of 12 different&#160;pairs of characters of the pea plant. He could ascertain&#160;the independent assortment for only 7 of these 12&#160;pairs of characters by repeated experiments. What&#160;can be deduced from this?

Question 69 :
A tall true breeding&#160; garden pea plant is crossed with a dwarf true breeding garden pea plant. When the ${ F }_{ 1 }$ plants were selfed the resulting genotypes were in the ratio of<br/>

Question 71 :
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 72 :
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>