What extreme conditions do microbes exist under at bleeding glacier sites? Select the TWO answers that are correct. high pressure low carbon high salt and iron low oxygen high temperature

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a