To the heart: pulmonary vein
Away from heart: pulmonary artery
Answer: Males inherit only one X chromosome, so they show all traits on that one chromosome without another to mask them
Explanation: Males are born with XY Females are born with XX
YY and Yy would result in a plant with yellow seeds. This is because Y is dominant and yellow seeds would show with a dominant homozygous and a heterozygous. It can't be yy because that would be homozygous recessive
Answer:
No, because some eukaryotic genes have introns that are not translated.