The pedigree below tracks the presence of attached earlobes through a family's generations. Having attached earlobes is an autosomal recessive trait?

Attached earlobes is an autosomal recessive trait.

Explanation:

Autosomal inheritance is the term used to describe characteristics passed on by genes that are not located on the X and Y chromosomes (the chromosomes responsible for determining the gender of individuals). The orela lobe genes are an example of genes that are involved in this type of inheritance.

This type of inheritance is called "autosomal recessive inheritance" when the individual received a recessive gene from his father and a recessive gene from his mother to form a characteristic. An example of this can be seen in individuals who have their earlobe attached.

Therefore, we can affirm that the attached ear lobe is a characteristic formed by recessive aautossomic inheritance.

this is math not biology xd