01. Inheritance of One Gene 1. Law of Dominance 2. Law of Segregation
Principle of Inheritance and Variation

184414 If a gene has four alleles, number of expected genotypes is
1. Law of Dominance

1 6
2 10
3 12
4 20
Principle of Inheritance and Variation

184419 Match the terms in Column I with their description in Column II and choose the correct option
| Column I | | | Column II |
| :---: | :---: | :---: | :---: |
| (A) | Dominance | (i) | Many genes govern a character |
| (B) | Codominance | (ii) | In a heterozygous organism only one allele expresses itself |
| C) | Pleiotropy | (iii) | a heterozygous organism both alleles express themselves fully |
| (D) | Polygenic inheritance | (iv) | A single gene influences many characters|

1 A - (iv), B - (iii), C - (i), D - (ii)
2 A - (ii), B - (i), C - (iv), D - (iii)
3 A - (ii), B - (iii), C - (iv), D - (i)
4 A - (iv), B - (i), C - (ii), D - (iii)
Principle of Inheritance and Variation

184421 Two pea plants were subjected cross pollination of the 183 plants produced in the next generation, 94 plants were found to be dwarf. The genotypes of the two parental plants are likely to be

1 TT and tt
2 \(\mathrm{Tt}\) and \(\mathrm{Tt}\)
3 \(\mathrm{Tt}\) and \(\mathrm{tt}\)
4 TT and TT
Principle of Inheritance and Variation

184424 A cross was made by Mendel with pea plant between violet flower (VV) in axial position (AA) and white flower (vv) in terminal position (aa). What ratio of white flowers (vv) phenotypically he had received in \(F_{2}\) generation?

1 4
2 3
3 9
4 1
Principle of Inheritance and Variation

184437 In guinea pigs black short hair (BBSS) is dominant over white long hair (bbss). During a dihybrid cross, the \(F_{2}\) generation individuals with genotypes, BBSS, BbSS, BBSs and BbSs are in the ratio of

1 \(9: 3: 3: 1\)
2 \(4: 2: 1: 2\)
3 \(1: 2: 1: 2\)
4 \(1: 2: 2: 4\)
Principle of Inheritance and Variation

184414 If a gene has four alleles, number of expected genotypes is
1. Law of Dominance

1 6
2 10
3 12
4 20
Principle of Inheritance and Variation

184419 Match the terms in Column I with their description in Column II and choose the correct option
| Column I | | | Column II |
| :---: | :---: | :---: | :---: |
| (A) | Dominance | (i) | Many genes govern a character |
| (B) | Codominance | (ii) | In a heterozygous organism only one allele expresses itself |
| C) | Pleiotropy | (iii) | a heterozygous organism both alleles express themselves fully |
| (D) | Polygenic inheritance | (iv) | A single gene influences many characters|

1 A - (iv), B - (iii), C - (i), D - (ii)
2 A - (ii), B - (i), C - (iv), D - (iii)
3 A - (ii), B - (iii), C - (iv), D - (i)
4 A - (iv), B - (i), C - (ii), D - (iii)
Principle of Inheritance and Variation

184421 Two pea plants were subjected cross pollination of the 183 plants produced in the next generation, 94 plants were found to be dwarf. The genotypes of the two parental plants are likely to be

1 TT and tt
2 \(\mathrm{Tt}\) and \(\mathrm{Tt}\)
3 \(\mathrm{Tt}\) and \(\mathrm{tt}\)
4 TT and TT
Principle of Inheritance and Variation

184424 A cross was made by Mendel with pea plant between violet flower (VV) in axial position (AA) and white flower (vv) in terminal position (aa). What ratio of white flowers (vv) phenotypically he had received in \(F_{2}\) generation?

1 4
2 3
3 9
4 1
Principle of Inheritance and Variation

184437 In guinea pigs black short hair (BBSS) is dominant over white long hair (bbss). During a dihybrid cross, the \(F_{2}\) generation individuals with genotypes, BBSS, BbSS, BBSs and BbSs are in the ratio of

1 \(9: 3: 3: 1\)
2 \(4: 2: 1: 2\)
3 \(1: 2: 1: 2\)
4 \(1: 2: 2: 4\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Principle of Inheritance and Variation

184414 If a gene has four alleles, number of expected genotypes is
1. Law of Dominance

1 6
2 10
3 12
4 20
Principle of Inheritance and Variation

184419 Match the terms in Column I with their description in Column II and choose the correct option
| Column I | | | Column II |
| :---: | :---: | :---: | :---: |
| (A) | Dominance | (i) | Many genes govern a character |
| (B) | Codominance | (ii) | In a heterozygous organism only one allele expresses itself |
| C) | Pleiotropy | (iii) | a heterozygous organism both alleles express themselves fully |
| (D) | Polygenic inheritance | (iv) | A single gene influences many characters|

1 A - (iv), B - (iii), C - (i), D - (ii)
2 A - (ii), B - (i), C - (iv), D - (iii)
3 A - (ii), B - (iii), C - (iv), D - (i)
4 A - (iv), B - (i), C - (ii), D - (iii)
Principle of Inheritance and Variation

184421 Two pea plants were subjected cross pollination of the 183 plants produced in the next generation, 94 plants were found to be dwarf. The genotypes of the two parental plants are likely to be

1 TT and tt
2 \(\mathrm{Tt}\) and \(\mathrm{Tt}\)
3 \(\mathrm{Tt}\) and \(\mathrm{tt}\)
4 TT and TT
Principle of Inheritance and Variation

184424 A cross was made by Mendel with pea plant between violet flower (VV) in axial position (AA) and white flower (vv) in terminal position (aa). What ratio of white flowers (vv) phenotypically he had received in \(F_{2}\) generation?

1 4
2 3
3 9
4 1
Principle of Inheritance and Variation

184437 In guinea pigs black short hair (BBSS) is dominant over white long hair (bbss). During a dihybrid cross, the \(F_{2}\) generation individuals with genotypes, BBSS, BbSS, BBSs and BbSs are in the ratio of

1 \(9: 3: 3: 1\)
2 \(4: 2: 1: 2\)
3 \(1: 2: 1: 2\)
4 \(1: 2: 2: 4\)
Principle of Inheritance and Variation

184414 If a gene has four alleles, number of expected genotypes is
1. Law of Dominance

1 6
2 10
3 12
4 20
Principle of Inheritance and Variation

184419 Match the terms in Column I with their description in Column II and choose the correct option
| Column I | | | Column II |
| :---: | :---: | :---: | :---: |
| (A) | Dominance | (i) | Many genes govern a character |
| (B) | Codominance | (ii) | In a heterozygous organism only one allele expresses itself |
| C) | Pleiotropy | (iii) | a heterozygous organism both alleles express themselves fully |
| (D) | Polygenic inheritance | (iv) | A single gene influences many characters|

1 A - (iv), B - (iii), C - (i), D - (ii)
2 A - (ii), B - (i), C - (iv), D - (iii)
3 A - (ii), B - (iii), C - (iv), D - (i)
4 A - (iv), B - (i), C - (ii), D - (iii)
Principle of Inheritance and Variation

184421 Two pea plants were subjected cross pollination of the 183 plants produced in the next generation, 94 plants were found to be dwarf. The genotypes of the two parental plants are likely to be

1 TT and tt
2 \(\mathrm{Tt}\) and \(\mathrm{Tt}\)
3 \(\mathrm{Tt}\) and \(\mathrm{tt}\)
4 TT and TT
Principle of Inheritance and Variation

184424 A cross was made by Mendel with pea plant between violet flower (VV) in axial position (AA) and white flower (vv) in terminal position (aa). What ratio of white flowers (vv) phenotypically he had received in \(F_{2}\) generation?

1 4
2 3
3 9
4 1
Principle of Inheritance and Variation

184437 In guinea pigs black short hair (BBSS) is dominant over white long hair (bbss). During a dihybrid cross, the \(F_{2}\) generation individuals with genotypes, BBSS, BbSS, BBSs and BbSs are in the ratio of

1 \(9: 3: 3: 1\)
2 \(4: 2: 1: 2\)
3 \(1: 2: 1: 2\)
4 \(1: 2: 2: 4\)
Principle of Inheritance and Variation

184414 If a gene has four alleles, number of expected genotypes is
1. Law of Dominance

1 6
2 10
3 12
4 20
Principle of Inheritance and Variation

184419 Match the terms in Column I with their description in Column II and choose the correct option
| Column I | | | Column II |
| :---: | :---: | :---: | :---: |
| (A) | Dominance | (i) | Many genes govern a character |
| (B) | Codominance | (ii) | In a heterozygous organism only one allele expresses itself |
| C) | Pleiotropy | (iii) | a heterozygous organism both alleles express themselves fully |
| (D) | Polygenic inheritance | (iv) | A single gene influences many characters|

1 A - (iv), B - (iii), C - (i), D - (ii)
2 A - (ii), B - (i), C - (iv), D - (iii)
3 A - (ii), B - (iii), C - (iv), D - (i)
4 A - (iv), B - (i), C - (ii), D - (iii)
Principle of Inheritance and Variation

184421 Two pea plants were subjected cross pollination of the 183 plants produced in the next generation, 94 plants were found to be dwarf. The genotypes of the two parental plants are likely to be

1 TT and tt
2 \(\mathrm{Tt}\) and \(\mathrm{Tt}\)
3 \(\mathrm{Tt}\) and \(\mathrm{tt}\)
4 TT and TT
Principle of Inheritance and Variation

184424 A cross was made by Mendel with pea plant between violet flower (VV) in axial position (AA) and white flower (vv) in terminal position (aa). What ratio of white flowers (vv) phenotypically he had received in \(F_{2}\) generation?

1 4
2 3
3 9
4 1
Principle of Inheritance and Variation

184437 In guinea pigs black short hair (BBSS) is dominant over white long hair (bbss). During a dihybrid cross, the \(F_{2}\) generation individuals with genotypes, BBSS, BbSS, BBSs and BbSs are in the ratio of

1 \(9: 3: 3: 1\)
2 \(4: 2: 1: 2\)
3 \(1: 2: 1: 2\)
4 \(1: 2: 2: 4\)