Apedigree chart for a gentic trait is shown below. the trait of intrest is carried by a dominant allele, and individuals expressing the trait are represented by the shades shapes. how do you kno that individual 1 is heterozygous for the trait

The answer is they have the different traits.

This is what i found on google“ the monomers combine with each other via covalent bonds to form larger molecules known as polymers. in doing so, monomers release water molecules as byproducts. this type of reaction is known as dehydration synthesis, which means “to put together while losing water. in the process, a water molecule is formed.” i hope this you