Genes for pod shape (P), seed number (S) and floral fragrance (F) in orchids are linked. A heterozygote in cis conformation is test crossed and the 1,200 progeny are below. Map the gene sequence and determine map units between genes. Determine the coefficient of coincidence and negative interference. f 82 s p 91 s 35 fp 41 f 144 s p 160 sfp 300 347

Which of the following descriptions of proteins are true? i. proteins can have different sequences of amino acids. ii. proteins can have different shapes. iii. proteins can have different numbers of amino acids. a. only i and ii are true. b. only ii and iii are true. c. only i and iii are true. d. i and ii and iii are all true. e. none are true statements

Does the sun release radiant energy?

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth