A person with type A positive blood has which cell markers?
a. A only
b. Rh only
c. A, B and Rh
d. A and Rh
e. O and Rh
ANSWER: d
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The two-factor crosses performed by Mendel support the observation that
A. alleles for a given trait are distributed randomly among an individual's gametes independent of the alleles for other traits. B. traits that are encoded by genes on different chromosomes are never found within the same gamete. C. the F1 generation can display phenotypes in combinations different from those seen in the P generation. D. the F2 generation will only display phenotypes in the same combinations as the P generation. E. self-fertilization of the F1 generation will produce 100% heterozygous plants at both loci.
Members of which fungal phylum are also called sac fungi?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
What does an organism need to perform cellular respiration, and what does cellular respiration produce?
What will be an ideal response?
Why aren't viruses classified as living organisms?
A) Viruses don't possess a nucleus. B) Viruses aren't capable of replicating themselves without a host cell. C) Viruses don't always contain DNA as their genetic material. D) Viruses don't contain any proteins.