A particular region of the genomes of humans and peas have been shown to be highly homologous. This indicates that this region of the genome:
Answer: Probably encodes a critically important gene
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Which of the following explains why Mendel used the garden pea as his model system?
a. The plant rarely produces offspring that looks like the parent. b. The plant did not require Mendel to perform hybridizations. c. The plant had been used by Mendel in previous experiments. d. The plant has flowers that close securely during self-pollination.
In reabsorption
a. plasma proteins are returned to the blood. b. excess hydrogen ions are removed from the blood. c. excess water is passed on to the urine. d. nutrients and ions are selectively returned to the blood. e. drugs and foreign substances are passed into the urine
An autosomal recessive disorder
a. requires that only one parent be a carrier. b. displays its symptoms only in heterozygotes. c. is more frequent in males than females. d. can appear only in children of parents who both carry the gene. e. is dominant in females.
If two populations diverge geographically and/or genetically from each other, and the process
continues long enough, they may become two different:a. species. b. hybrids. c. polyploids. d. allopolyploids. e. euploids