In humans, if non-disjunction led to an individual with a genotype of XO, that person would
A. be female because each cell lacks a Y chromosome.
B. be male because each cell has only one X chromosome.
C. display both male and female characteristics.
D. not survive.
A. be female because each cell lacks a Y chromosome.
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Four of the five answers listed below are sinks for sugar deposition. Select the exception
a. immature fruits b. roots c. leaves d. immature seeds e. shoots
Euglena and dinoflagellates have chloroplasts and flagella. This indicates they are
A. multicellular. B. mobile. C. photosynthetic. D. photosynthetic and mobile. E. multicellular and mobile.
Which of the following correctly orders the stages of mitosis?
A) prophase - anaphase - prometaphase - metaphase - telophase B) telophase - prometaphase - prophase - metaphase - anaphase C) prometaphase - metaphase - anaphase - prophase - telophase D) prophase - prometaphase - metaphase - anaphase - telophase E) anaphase - prometaphase - metaphase - prophase - telophase
Which of the following is a non-protein carrier found in some electron transport chains?
A. flavoproteins B. metal-containing proteins C. ribozymes D. cytochromes E. ubiquinone