Genetic Inheritance

Genetic inheritance occurs when the genetic material is passed from the parents to their offspring. They are passed in the form of DNA (deoxyribonucleic acid). It carries essential information for survival, growth, and reproduction from the parent to the next generation. Defects in genetic inheritance cause genetic disorders.

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Is there a way to prevent little moles from coming all over my body?

Query: Hello doctor, I am an 18 year old girl and I am starting to notice little moles all over my body. Nothing unusual or worrisome. My mother and grandmother are also covered in moles so I guess I should have expected it. My question is, is there a way that I can prevent them from coming in or at least ...  Read Full »

Dr. Ashwini. V. Swamy

Answer: Hello, Welcome to I saw your clinical picture (attachment removed to protect patient identity). These are not moles. These are called dermatosis papulosa nigra (DPN). It a genetic condition, runs in families. These have to be removed individually. Options are: Radiofrequency caute...  Read Full »

If my kids acquire benign familial macrocephaly, can it be treated at a young age?

Query: Hello, I am a 30-year-old male. I was born with benign familial macrocephaly even though none of my parents had a large head. Since I was a kid, I was abused for having a large head. I am worried that my kids will also have this condition. So is there a way to treat it early as my child is still a b...  Read Full »

Dr. Faisal Abdul Karim Malim

Answer: Hello, Welcome to Since it is familial macrocephaly, it cannot be treated, unfortunately. However, you can adjust the hair and clothing to appropriately mask the head size by modifying the hair line, keeping the hair dense, and wearing slightly bigger clothing while the child goes out o...  Read Full »

I suffer from scoliosis. Will it affect my future child?

Query: Hello doctor, I am a 23-year-old male. My height is 5 feet 8 inches and my weight is 71 kilograms. I got married last year and want to start my family now but I am concerned about genetics. I have a backbone issue by birth. My back is a little towards right from the center on the top side so I want ...  Read Full »

Dr. Monica Mathur

Answer: Hello, Welcome to The back bone problem is basically scoliosis. It will cause a slight change in the posture when you bend forwards. This is not genetically transmitted so you do not need to worry. Your future baby will not be affected from this condition but a regular check-up for o...  Read Full »

What are the chances of child having myopia if one parent has the same?

Query: Hello doctor, I have an eye power of -4 in both the eyes since school days. We are expecting our first child. Are there chances of similar eye problem in our child?  Read Full »

Dr. Dadapeer. K

Answer: Hello, Welcome to You are having myopia of -4 dioptres in both the eyes since school days. The treatment for this condition includes: Use of spectacles. Use of contact lenses Laser refractive surgeries like LASIK. Refractive errors of more than -6 dioptres is called patholog...  Read Full »

Which disease can cause a child to suddenly lose the ability to walk?

Query: Dear doctor, My father-in-law had a son. He grew up like a normal child till the age of around 10 to 12 years. Suddenly, he was diseased and he was not able to walk properly and after some days, he completely lost power in both the legs and permanently lost his ability to walk. Could you tell me wh...  Read Full »

Dr. Deepak Kishore Kaltari

Answer: Hi, Welcome to It is likely that he could be suffering from one of the types of muscular dystrophy. It is most of the time, X-chromosome linked. Usually, the male children get affected and the females are carriers. For further queries, post a detailed history and ask a doctor online...  Read Full »

I am getting white hair, and it's been increasing gradually. Is this the effect of water?

Query: Hi, I am getting white hair from last 3 years, and the number has increased in the last 3 months. Is this the effect of water. Kindly suggest the medicine for this problem.  Read Full »

Dr. Meha Malhotra

Answer: Hi, Welcome to Water has no effect on graying of hair though hard water can cause dryness of hair. If your parents also had premature graying of hair then yours is hereditary (genetically inherited). You can start tablet PABA 100mg once a day for 2 months. This will prevent further...  Read Full »

Can I have a normal child on marrying a girl with a family history of genetic abnormalities?

Query: Hi doctor, I am planning to get married. My father got married to his elder sister's daughter, and my younger brother had cerebral palsy at birth, and my sister has a low IQ but she is manageable. In my fiance's family, her paternal grandfather is married to his sister's daughter. They have a daugh...  Read Full »

Dr. M. Pradeep Kumar

Answer: Hello, Welcome to Cerebral palsy and low intelligence quotient in your siblings need in-depth analysis. Both these problems happening in consanguineous parents cannot be taken as incidental or independent of each other. The deafness in your fiance's side needs genetic evaluation too. We...  Read Full »

I have keratoconus in both eyes. Kindly advise on my planning for pregnancy.

Query: Hello doctor, I am a 27 years old. I got my eyes checked recently and came to know that I am suffering from keratoconus. Both my eyes are damaged. I got my right eye treated and left yet to be done. I have done research on keratoconus and came to know that the cause of this disorder is unknown, but ...  Read Full »

Dr. Priyanka

Answer: Hi, Welcome to I understand your concern. Keratoconus is a genetic disease, and it depends on both the parents. As you did not show any inheritance, there may be chances that your kids will not show it. Moreover, your husband does not have it, so you are on a safer side. But there is...  Read Full »

In my 32 weeks scan, the femur length of the fetus is 58 mm. Is it due to dwarfism?

Query: Hello doctor,I had a scan at 32 weeks four days, and my femur length of the baby is 58 mm. Should I be concerned about dwarfism? It is a donor egg baby, and the genetic mother is only 5 feet. Kindly give your opinion.  Read Full »

Dr. Varun Chaudhry

Answer: Hi, Welcome to I think the femur length is at the lower limit of normal. This would need to be correlated with other measurements like abdominal circumference and head circumference. If all of these correlates, then maybe consider checking with your doctor. I hope this was helpful.  Read Full »

Can I know whether sudden cardiac arrest occur as a genetic predisposition?

Query: Hi doctor,I am a 28-year-old woman. Three years back, my elder brother passed away at the age of 31. He got a sudden cardiac arrest while playing football. When we reached the hospital, he passed away at the gate. He suffered for an hour from sudden pain and died due to it. Three years later, my sec...  Read Full »

Dr. Muhammad Zohaib Siddiq

Answer: Hi, Welcome to Your first line of investigation is ECG (electrocardiogram) and echocardiography. An autopsy should be done for sudden death victims. Do ECG (electrocardiogram), echocardiography, and fasting lipid profile. If your resting ECG remains normal, then ECG can be done with p...  Read Full »

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