What is the recursive formula for this geometric sequence? 4,-12, 36, -108,...
lan
O A.
a = -4
an-13
.
an
O B.
( = 4
an = an-1.3
a = -4
O c.
[
12. = 3n-1 •(-3)
a = 4
O D.
la
Tan = 2n-1 •(-3)

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Will mark brainliest. (20 points) many have pigments structures known as eyespots that detect direction of light. a. b. archaebacteria c. protists d. none of the above