The Hardy-Weinberg theorem characterizes the distributions of genotype frequencies in populations that are not evolving, and is thus the fundamental null model for population genetics. Under the ...

An emerging strain of highly pathogenic avian influenza has spilled over from wild birds to dairy cows in the state of Nevada ...

The genotype is a set of paired symbols used to represent the alleles present. The genotype can be homozygous (the same, BB or bb) or heterozygous (different, Bb).

Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to ...

H5N1 bird flu is branching out. New data from the Centers for Disease Control and Prevention indicates that a second type of ...

A vian flu first made the jump from birds into dairy cows on farms in a number of US states in spring 2024. Until now, all ...

A dairy worker in Nevada has been infected with a strain of H5N1 bird flu—genotype D1.1—that has newly spilled over to cows, ...

The variant, known as D1.1 genotype, belongs to a different genetic lineage than what's fueled the infections in dairy cattle ...