Sentences with phrase «gene families likely»

These two gene families likely allowed the octopus to build unique neural circuits serving functions such as memory, navigation and planning.

Not exact matches

While men can carry the gene and pass it on to their daughters, a family history of twins doesn't make them any more likely to have twins themselves.

The handful of cases that still occur are most likely to affect non-Jews, families carrying mutations other than the distinctly Ashkenazi variants of the Tay - Sachs gene.

«Our work shows that not only do people with ASD have fewer children than others,» he said, «but in families where a child has ASD, the fact that the parents choose to have fewer children means the genes that predispose to ASD are less likely to be passed on to future generations.»

To avoid that muddle, Steve Brown and Xue - Zhong Liu, molecular biologists at the Medical Research Council's Mouse Genome Center in Harwell, England, sought families in remote areas of the world, where the families» deafness is more likely to be caused by a single mutated gene.

That pattern of inheritance would suggest the strong effect of a single gene mutation, and it would most likely crop up in families that had a lot of shared genes through the intermarriage of first cousins.

Sex determining genes exist in several different variants, but close family members are likely to share the same variants.

Kenwrick assesses the likelihood of an inherited cause by studying the family's genetic tree and medical history, interpreting existing pathology or genetic reports from cancer patients in the family, and offering genetic tests if particular genes seem to be the likely culprits.

They were most likely to understand positive results — like their family member carries the BRCA1 / 2 gene.

Biologists building family trees are likely being misled into suggesting that some organisms are closely related because genes and proteins are similar due to convergence, and not because the organisms had a recent common ancestor.

Specifically, this mutation, which likely occurred very early in evolution after the separation of our group from that of sea anemones, affected a gene of the Fgfr (fibroblast growth factor receptors) family.

Prof Bentzen from Dalhousie University said: «Although this study focused on MHC genes in vertebrates, the evolutionary dynamics described in it likely apply to other gene families, for example resistance genes and those which prevent self - fertilization in plants (self - incompatibility loci) that are caught up in their own evolutionary races.»

When it comes to two of the genes on the panel, BRCA1 and BRCA2, there's little doubt that in cancer - prone families, testing saves lives: Extensive study of BRCA carriers has found that those who have their ovaries removed are 80 % less likely to die from ovarian cancer and 50 % less likely to die from breast cancer.

«Scientists sequence genomes of microscopic worms beneficial to agriculture: Study identifies gene families in five nematodes that are likely to be involved in parasitism.»

While homology - based approaches are likely to be reliable for well - conserved pathways such as the core signaling components of the innate immune network, it is difficult to confidently assign function to the numerous proteases, protease inhibitors, and similarly diverse gene families in the absence of direct functional information.

The more cases there are then the more likely it is that there is a high penetrance susceptibility gene in the family as described above.

Instead, the evolution of the octopus genome was likely driven by the expansion of a few specific gene families, widespread genome shuffling and the appearance of novel genes.

Then, just last year, startling new findings indicated that mutations in the BRCA breast cancer gene are as likely in women in the general population as they are for those with a family history of breast cancer.

Fraternal twins do run in families, due to a gene that can make a woman more likely to release multiple eggs during ovulation.

In my opinion, we doctors, although well - intentioned, spend considerable time evaluating patients» family medical histories, often leaving them with the misconception that their genes hold their likely destinies.

However, Colman, principal of Gene C. Colman Family Law Centre, says persisting traditional views of parenting roles mean mothers are still more likely to end up with a greater share of custody before the matter gets to court.