Your genes are made of DNA. This DNA provides instructions, which determines traits like your hair color and blood type. There are different versions of genes. Each ...

Half of the possible offspring have the same allele combination; AA homozygous dominant and the other half have the Aa heterozygous combination. Probability close probabilityThe extent to which ...

A study finds that immune factors transmitted through breast milk regulate the cognitive function of offspring. Changes in milk composition alter hippocampal development and have effects on memory ...

Determine the parental genotypes – the allele combinations for the male and female. You can use any letter you like, but select one that has a clearly different lower case, for example: Aa, Bb, Dd.

In general, humans have the same genes. A number of genes are varied. These control our physical traits and health. Each variation is called an allele. You inherit two alleles for each gene. One comes ...

Monogamy is rare among animals. Even species that form socially monogamous pairs of one male and one female are often not monogamous in the strict sense. Males and females commonly copulate with more ...