Weegy: Electron microscopes focus beams of light using magnetic fields. - is accurate. User: Suppose that a dominant allele (P) codes for a polka-dot tail and a recessive allele (p) codes for a solid colored tail. If two heterozygous individuals with polka-dot tails mate, what's the probability of the phenotype and genotype combinations of the offspring? A. 25 percent chance of a polka-dot tail and 75 percent chance of a solid colored tail (25 percent PP; 50 percent Pp; 25 percent pp) B. 50 percent chance of a polka-dot tail and 50 percent chance of a solid colored tail (50 percent PP; 50 percent pp) C. 75 percent chance of a polka-dot tail and 25 percent chance of a solid colored tail (25 percent PP; 50 percent Pp; 25 percent pp) D. 75 percent chance of a polka-dot tail and 25 percent chance of a solid colored tail (75 percent Pp; 25 percent pp) (More)

Weegy: The chain of amino acids that corresponds to the nucleotide sequence AAUGGCUAC is: asparagine glycine tyrosine. User: Which of the following accurately describes a typical human karyotype? A. 1 sex chromosome and 11 autosomal chromosomes are pictured. B. 1 pair of sex chromosomes and 22 pairs of autosomal chromosomes are pictured. C. A karyotype only displays sex chromosomes. D. A karyotype displays all of an individual’s RNA. (More)

Weegy: Oxygen is a product of photosynthesis. User: Unlike DNA, RNA A. pairs uracil with adenosine instead of thymine. B. contains two strands wrapped in a helix. C. contains nitrogenous bases. D. has deoxyribose as the sugar within its nucleotide components. Weegy: Unlike DNA, RNA pairs uracil with adenosine instead of thymine. (More)

Weegy: The true statement of chloroplasts - They're the main site of photosynthesis in autotrophs. User: What can be said about prokaryotes and eukaroytes? A. Both of these cell types contain genetic material. B. Prokaryotes always have a nucleus, but eukaryotes don't. C. Both of these cell types contain a nucleus. D. Eukaryotes always have a cell membrane, but prokaryotes don't (More)