Which of the following probabilities is correct regarding a mating of an Ss RR individual to an individual who is Ss Rr ? (A – indicates the the second allele is either dominant or recessive.)
A) S– RR: 37.5%
B) Homozygous recessive: 10%
C) Heterozygous both alleles: 50%
D) ss R– : 15.5%
A) S– RR: 37.5%
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This hemorrhagic fever causes disease in humans and nonhuman primates such as chimpanzees, gorillas, and monkeys. It is identified in the laboratory using which type of assay?
a. Immunodiffusion b. Peptide nucleic acid fluorescence in situ hybridization (PNA-FISH) c. Transcription-mediated amplification (TMA) d. Reverse-transcriptase polymerase chain reaction (PCR)
Which of the following immune system cells produce histamine?
A) T cells B) Macrophages C) Mast cells D) Neutrophils E) B cells
The Precambrian supereon, in which life first appeared, and diversified to multicellular eukaryotes, lasted approximately ___ of the geologic timescale
Fill in the blank(s) with the appropriate word(s).
The triglyceride is commonly called fat or oil. The triglyceride comes from the food we consume.
Indicate whether the statement is true or false