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What is the complementary sequence for sequences 1. and 2. shown     below.NOTE:  Please remember DNA has polarity-the sequence needs to be written in 5′ (read five prime) to 3′(read three prime) direction.  For example: The complement of 5′-AGCT-3′ is not TCGA, because as written this means 5′-TCGA-3′,  but 3′-TCGA-5′.  […]

Genes a and b are 20 cM apart. An a+b+/a+b+ individual was mated with an ab/ab individual. a.) diagram the cross and show the gametes produced by each parent and the genotype of the F1. b.)What gametes can the F1 produce, and in what proportions? c.)If the F1 was crossed […]

1. At the beginning of the spring, Dr. Peter Erlenmeyer notices that there is an equal distribution of long and short stemmed dandelions in the vacant lot across the street from his house as well as in his own backward. By the end of the summer he notes that there […]

Q.1. There is a general agreement that life should have evolved in the oceans originally and only much later invaded land. What factors of physical environment on the early and evolving Earth support these ideas? Changes in which of these factors were essential for life to stay alive on earth? […]