In a population of 100 pea plants, there are two variations for flowers colors-- purple and white. After counting, the number of white plants were 25 plants. What would be the frequency of white allele (q)? q=?

In addition to the number of trichomes on the leaf petioles, you could alternately select for a different trait--such as the height of the plant at first flower, or leaf color--and choose the individual plants that are at one extreme for this trait to be the parent plants in your experiment.   The following data were obtained in an artificial selection experiment with Wisconsin Fast Plants. What is the mean height of the plants in the parent population, rounded to the nearest tenth (0.1)?

Consider a population with  28 individuals with the genotype AA and 12 Aa individuals and 50 individuals with the genotype aa how many alleles in this population in total?

A population of 1000 beetles has 600 individuals that have genotype QQ, 100 individuals that have genotype Qq, and 300 individuals that have genotype qq.   a) Calculate f(Q) and f(q) for this population. Show your work and don’t assume HWE.       b) Calculate f(QQ), f(Qq), and f(qq) for this population. Show your work and don’t assume HWE.       c) Calculate the expected genotype frequencies if the population is in Hardy-Weinberg equilibrium. Show your work.       d) Does this population appear to be at Hardy-Weinberg equilibrium? Why or why not? (Although answering this question rigorously would require a statistical test, you don’t need to do that here.).

You are mapping three loci in Brandywine apricot trees (Prunus brandybucki), an important agricultural species in the Shire.  In Brandywine apricot trees, sour fruit (fr+) is dominant to fishy-tasting fruit (fr), blue flowers (b+) is dominant to yellow flowers (b), and short, bushy height (sh+) is dominant to tall, tree-like height (sh).  You perform a testcross with a plant that is heterozygous for all three loci and get the following offspring:   Fruit flavor Flower color Plant height Observed Counts fr+ b+ sh+ 61 fr b sh 53 fr+ b+ sh 11 fr b sh+ 7 fr+ b sh 277 fr b+ sh+ 285 fr+ b sh+ 156 fr b+ sh 150     Total 1000     What is the recombination frequency between b and sh?

A population of dragons or Varanus dragonus has two alleles B and P encoding for phenotypes blue and purple scales, is dominant over B. You have population of 345 individuals. PP = 100, BP; =90 , and BB = 155 . What is the frequency of the P allele? Please use and round to four decimal points.

Snow geese (Chen caerulescens) come in two color types, white “snows” and “blues” with dark bodies. A single gene controls coloration, where the dark (“blue”) allele (D) is dominant. A population of 30,012 geese includes 9236 dark individuals. Genetic testing reveals that 7636 of the 9236 dark individuals are heterozygous (Dd). According to the Hardy-Weinberg equilibrium, what is the expected number of individuals of genotype Dd? Group of answer choices A.) 14752.40 B.) 13596.09 C.) 8898.56 D.) 3608.26

For a 2 allele locus, p=0.7.  If the population consists of 100 individuals, how many are homozygous for the q allele?