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A mother has alleles IBi for blood type and a father has alleles ii for blood type.
What are all the possible blood types of the children?

B and O
A and B
A, B, and O
A, AB, and B

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna