In a cross of purple flowered heterozygous plants (Pp), the letter P represents the allele for purple flowers and the letter p represents the allele for white flowers. What is the probability that an offspring of this cross expresses plants with purple flower phenotypes?

A.0
B.1/4
C.1/2
D.3/4

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

What is used as a template during replication? a- mrna b- trna c- rrna d- dna