Table 4. Expression of Lactation in Cattle

Guide question.
Q23. Can you give other examples of sex limited traits in animals?

Table 5. Expression of Pattern Baldness in Humans
Q24. Predict the genotypic and phenotypic ratios in the offspring if the mother is bald and the father is not bald. Perform a cross using a Punnet square.
Q25. In what way are sex limited and sex influence characters similar?
Q26. What is the main difference between sex limited and sex influenced traits?



Q 23 : other examples of sex-limited traits: fanlike tail feather in peacocks that is never expressed in peahens and horns that are exclusively found in males of certain sheep species.Q 24 : Genotypic Ratio: 1XXBb:1XYBb           Phenotypic Ratio: 1 female non bald: 1 male baldQ 25: Sex-limited and sex-influenced traits that are similar in that their expression depends on whether the person is male or female