【单选题】In species of birds, males are the homogametic sex and females the heterogametic sex. Which of the following statements is TRUE in this system of sex determination?
A.
The gender of the offspring is determined by the female parent.
B.
Male offspring have a ZW chromosome constitution.
C.
The gender of the offspring is determined by the male parent.
D.
Female offspring have a ZZ chromosome constitution.
E.
Female and male offspring have the same chromosome constitution.
【简答题】作业:请运用所学知识评价杨必的译文。 Vanity Fair Although schoolmistresses' letters are to be trusted no more nor less than churchyard epitaphs; yet, as it sometimes happens that a person departs this life, who is real...