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because of the atomic bomb that was dropped on them...
there are still traces of radiation in some areas which causes the mutation and destruction of health cells and DNA. look into it. there is a lot of information out there about the Hiroshima bombing and its effects on the habitat/people.
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What genetic defect is more common in older mothers?
Genetic defects also can take place when the egg or sperm are forming if the mother or father passes along some faulty gene material. This is more common in older mothers. The most common defect of this kind is Down syndrome
What is the significance of sex linked genes?
The sex linked genes cause genetic disorders on the basis of gender. For example color blindness is human is located on the X chromosome and is reflected in males more frequently.
Why are recessive disorders more common than dominant disorders?
dominant traits show up in the first generation so any disorders have a 50% percent chance of showing up in offspring. recessive traits skip a generation therefore any diseases would have on a 25% chance.
How did diseases involving metabolic pathways lead to hypotheses about the nature of genes?
Inborn errors of metabolism comprise a large class of genetic diseases involving disorders of metabolism.. The majority are due to defects of single genes that code fro enzymes that facilitate conversion of various substances (substrates) into MORE?
Whether each and every human cell posses 46 chromosomes?
no, normally humans do have 46, but certain mutations or genetic disorders can result in more, less, or fused chromosomes. the most common example of missing chromosomes is down's syndrome. when someone has an extra chromosome(s) it's called polyploidy. i can't tell you too much about fused chromosomes.
How many genetic disorders are there?
more than 6,000
What are genetic disorders that involve more than one defective gene?
Multifactorial genes.
How common is Marfan syndrome among other inheritable disorders?
Marfan syndrome is one of the more common inheritable disorders.
What is the most common symptom of a genetic disorder?
The most common symptom of a genetic disorder is the abnormality in chromosome structure or number. People with a genetic disorder have a distinct physical or facial feature like abnormally shaped ears.
What is the most common somatoform disorder in children?
The most common somatoform disorders in children and adolescents are conversion disorders, although body dysmorphic disorders are being reported more frequently.
Are metabolic disorders more common in consanguineous marriage?
I had a friend who was married to someone within his family and generally such marriages are termed as consanguineous marriage. The chances of the offspring inheriting genetic disorders from such marriages are quite high. infact my friend's baby was diagnosed of a disorder which led to mental disability at the age of 3. In these cases it's better to plan your baby, getting oneself and partner checked by a doctor and getting some pre-natal check from doctor. There are certain check ups even for the baby which can be done post delivery which will help in getting the baby diagnosed of any such genetic disorders right at the time of birth. Baby genetic screening for more than 100 disorders screens newborns for metabolic diseases.
Do dogs get genetic disorders?
Yes. Dogs (and every other species with DNA) can get a genetic disorder. This can be due to inheriting a disorder from a parent, or by a copying error from a parent, such as a mutation or a DNA sequence being dropped, duplicated, reversed, etc. Of course, we know much more about human genetic disorders than dog disorders. Sometimes a "disorder" is actually an advantage under some circumstances, which explains why some disorders are preserved through history, such as sickle-cell anemia in humans (helps one survive malaria).
Why are males often affected more than females by sex-linked genetic disorders?
males have only one X chromosomes
When was No More Hiroshima created?
No More Hiroshima was created in 1984.
What are the two main sources of genetic variation and which of them is more common?
The two main sources of genetic variation are sexual reproduction, and mutation. Sexual reproduction is more common.
Is true that recessive disorders in offspring more common if the parents are closely related?
yes,of course
How do the newer bombs compare to the bombs dropped on hiroshima and nagasaki?
The new bombs are many, many times more powerful. The Hiroshima bomb was only .02 kilotons. Twenty megatons today is common. so, hundreds of times more powerful.
