Upper case letters are used to represent
dominant alleles
recessive alleles

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to

What is a group of organisms that are closely related and share similar characteristics

Why do we perceive objects as retaining their brightness under different lighting levels?