Which of the following is an example of a homozygous recessive allele? rr rr rr rw

rr

Explanation:

When a single trait has identical alleles it is said to be homozygous. An allele constitutes a specific gene, inherited from parents during reproduction. Alleles may be dominant (represented by two capital letters, RR) or recessive (represented by two small letters, rr).

The answer is A. rr

I took the test and got this right

Explanation:

The recessive trait can only be seen when the two letters are the same and lowercase.

relief sculpture - images are set against a flat background.

a coin is a good example: the inscription, the date, and the figure are slightly raised above a flat surface. the ancient egyptians sometimes carved figures into a flat surface.  

pro: they take significantly less time to make and do not require as much tools or skills as free-standing

cons: not nearly as realistic, as it is not fully 3-d, and does not have the details that a free-standing one does.

freestanding sculptures (also called  carved in the round) are not attached to any  background.   they are 3-dimensional  and fully rendered.