342473
Which of the following is an X-linked recessive disease?
1 Haemophilia A
2 Sickle cell anemia
3 Beta-thalasemia
4 Alpha -thalassemia
Explanation:
Hemophilia is a sex linked disorder.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342474
Match the columns I and II. Column I Column II A Hemophilia P Absence of particular pigments in cones B Colour blindness Q Clotting protein C Pedigree analysis R Identify inheritance in families D Sickle cell anaemia S Mutation
1 A – R, B – P , C – Q, D – S
2 A – Q, B – R, C – P, D – S
3 A – P , B – R, C – Q, D – S
4 A – Q, B – P , C – R, D – S
Explanation:
A-Q, B-P,C-R, D-S
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342475
Match the columns I and II. Column I Column II A Sickle cell anaemia P RBC becomes crescent shaped B Haemophilia Q Presence of sugar on the surface of RBC C ABO blood group R Blood clotting problems
1 A – R , B – P , C – Q
2 A – Q , B – R, C – P
3 A – P , B – R, C – Q
4 A – Q , B – P , C – R
Explanation:
A-P, B-R, C-Q
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342476
One child is haemophilic (sex- linked trait) whereas his fraternal twin brother is normal. Which one of the following informations is most appropriate?
1 The child is a monozygotic twin
2 The haemophilic child is male
3 The other child is a female and the father is haemophilic
4 The mother must have been heterozygous
Explanation:
Option 1 is wrong , as they are fraternal twins, option 2 - fraternal twins can be a male and a female child, option 3 -father is hemophiliac and other child is female than the child will be a carrier , so wrong . option 4 - the mother must have been carrier is most appropriate.
342473
Which of the following is an X-linked recessive disease?
1 Haemophilia A
2 Sickle cell anemia
3 Beta-thalasemia
4 Alpha -thalassemia
Explanation:
Hemophilia is a sex linked disorder.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342474
Match the columns I and II. Column I Column II A Hemophilia P Absence of particular pigments in cones B Colour blindness Q Clotting protein C Pedigree analysis R Identify inheritance in families D Sickle cell anaemia S Mutation
1 A – R, B – P , C – Q, D – S
2 A – Q, B – R, C – P, D – S
3 A – P , B – R, C – Q, D – S
4 A – Q, B – P , C – R, D – S
Explanation:
A-Q, B-P,C-R, D-S
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342475
Match the columns I and II. Column I Column II A Sickle cell anaemia P RBC becomes crescent shaped B Haemophilia Q Presence of sugar on the surface of RBC C ABO blood group R Blood clotting problems
1 A – R , B – P , C – Q
2 A – Q , B – R, C – P
3 A – P , B – R, C – Q
4 A – Q , B – P , C – R
Explanation:
A-P, B-R, C-Q
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342476
One child is haemophilic (sex- linked trait) whereas his fraternal twin brother is normal. Which one of the following informations is most appropriate?
1 The child is a monozygotic twin
2 The haemophilic child is male
3 The other child is a female and the father is haemophilic
4 The mother must have been heterozygous
Explanation:
Option 1 is wrong , as they are fraternal twins, option 2 - fraternal twins can be a male and a female child, option 3 -father is hemophiliac and other child is female than the child will be a carrier , so wrong . option 4 - the mother must have been carrier is most appropriate.
342473
Which of the following is an X-linked recessive disease?
1 Haemophilia A
2 Sickle cell anemia
3 Beta-thalasemia
4 Alpha -thalassemia
Explanation:
Hemophilia is a sex linked disorder.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342474
Match the columns I and II. Column I Column II A Hemophilia P Absence of particular pigments in cones B Colour blindness Q Clotting protein C Pedigree analysis R Identify inheritance in families D Sickle cell anaemia S Mutation
1 A – R, B – P , C – Q, D – S
2 A – Q, B – R, C – P, D – S
3 A – P , B – R, C – Q, D – S
4 A – Q, B – P , C – R, D – S
Explanation:
A-Q, B-P,C-R, D-S
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342475
Match the columns I and II. Column I Column II A Sickle cell anaemia P RBC becomes crescent shaped B Haemophilia Q Presence of sugar on the surface of RBC C ABO blood group R Blood clotting problems
1 A – R , B – P , C – Q
2 A – Q , B – R, C – P
3 A – P , B – R, C – Q
4 A – Q , B – P , C – R
Explanation:
A-P, B-R, C-Q
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342476
One child is haemophilic (sex- linked trait) whereas his fraternal twin brother is normal. Which one of the following informations is most appropriate?
1 The child is a monozygotic twin
2 The haemophilic child is male
3 The other child is a female and the father is haemophilic
4 The mother must have been heterozygous
Explanation:
Option 1 is wrong , as they are fraternal twins, option 2 - fraternal twins can be a male and a female child, option 3 -father is hemophiliac and other child is female than the child will be a carrier , so wrong . option 4 - the mother must have been carrier is most appropriate.
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BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342473
Which of the following is an X-linked recessive disease?
1 Haemophilia A
2 Sickle cell anemia
3 Beta-thalasemia
4 Alpha -thalassemia
Explanation:
Hemophilia is a sex linked disorder.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342474
Match the columns I and II. Column I Column II A Hemophilia P Absence of particular pigments in cones B Colour blindness Q Clotting protein C Pedigree analysis R Identify inheritance in families D Sickle cell anaemia S Mutation
1 A – R, B – P , C – Q, D – S
2 A – Q, B – R, C – P, D – S
3 A – P , B – R, C – Q, D – S
4 A – Q, B – P , C – R, D – S
Explanation:
A-Q, B-P,C-R, D-S
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342475
Match the columns I and II. Column I Column II A Sickle cell anaemia P RBC becomes crescent shaped B Haemophilia Q Presence of sugar on the surface of RBC C ABO blood group R Blood clotting problems
1 A – R , B – P , C – Q
2 A – Q , B – R, C – P
3 A – P , B – R, C – Q
4 A – Q , B – P , C – R
Explanation:
A-P, B-R, C-Q
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342476
One child is haemophilic (sex- linked trait) whereas his fraternal twin brother is normal. Which one of the following informations is most appropriate?
1 The child is a monozygotic twin
2 The haemophilic child is male
3 The other child is a female and the father is haemophilic
4 The mother must have been heterozygous
Explanation:
Option 1 is wrong , as they are fraternal twins, option 2 - fraternal twins can be a male and a female child, option 3 -father is hemophiliac and other child is female than the child will be a carrier , so wrong . option 4 - the mother must have been carrier is most appropriate.
