Full Definition of LAWYER. : one whose profession is to conduct lawsuits for clients or to advise as to legal rights and obligations in other matters. â lawÂ·yerÂ·like \-ËlÄ«k\ adjective. â lawÂ·yerÂ·ly \-lÄ\ adjective. See lawyer defined for English-language learners.
In humans, red-green colorblindness is a recessive sex-linked trait. It is found on the X chromosome, not the Y. Because, males only have one X chromosome, they have a much greater chance of having red-green colorblindness. Females would have to be homozygous recessive in order to have red-green colorblindness.
The difference between male and female seagulls is not very noticeable to the human eye. The only main difference is that male seagulls tend to have brighter plumage than their female counterparts. However, humans are often unable to pick up on this difference because it is so subtle.