Sentences with phrase «unaffected carriers»

Laws of population genetics predict that, on a purely theoretical ground, such a high number of genes should translate into an extremely elevated frequency of unaffected carriers of mutations.

With line - breeding, more affected individuals will appear unless unaffected carriers are identified and selective breeding is practiced.

The power law applies to diseases spread via the wind or by wide - ranging, unaffected carriers like birds, says Mundt, and not to diseases mainly spread victim to victim.

«Unaffected carriers with this mutation are at increased risk for the development of lung cancer irrespective of their smoking status and should be followed by increased surveillance, including low - dose computed tomography,» he adds.

Generations may be unaffected when carriers are rare, but in time, unaffected carriers become common.

Further testing would need to be done to determine if Naomi had classic or Duarte galactosemia, was simply an unaffected carrier, or if the test was a false positive — common in the summer months when Naomi was born.

Spinal muscular atrophy affects between one in 8000 and one in 12,000 infants, and about one in 50 adults are unaffected carriers.

However children will have a 50 % chance of being an unaffected carrier like their mother.

So, if a mother who is a carrier for a harmful recessive gene (Xx) passes the recessive gene (x) to her daughter, the daughter (Xx) will be an unaffected carrier or show less severe involvement, but her sons who receive that gene (Yx) will be affected.

So, if a mother who is a carrier for a harmful recessive gene (Xx) passes the recessive gene (x) to her daughter, the daughter will be an unaffected carrier, but her sons who receive that gene will be affected.