Most cultivated bananas are triploid. How could these be generated from diploid parent banana plants?
A. nondisjunction in mitosis followed by normal fertilization
B. All of these answer choices are different options for creating triploid cells.
C. fertilization of a haploid egg by a haploid sperm
D. fertilization of a diploid somatic cell by a haploid sperm
E. nondisjunction in meiosis followed by normal fertilization
E. nondisjunction in meiosis followed by normal fertilization
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A) blender B) toaster C) vacuum cleaner D) coffee grinder
As the sun is setting, you notice bats coming out of a cave to begin a period of heavy activity. In the very early
morning, several days later, you notice them entering the cave to sleep. Which circadian rhythm would best explain this observation? a. crepuscular b. nocturnal c. diurnal d. lunar e. asynchronous
The Law of Independent Assortment states that:
A) in meiosis, crossing over creates genetically diverse gametes. B) in gamete formation, gene pairs are transmitted independently of each other. C) in any dihybrid cross, it is possible to get any combination of phenotypes. D) in fertilization, the combining of sperm and eggs is random. E) generation of male and female gametes must occur in separate organisms.
Which of the following organelle(s) has/have a genome separate from the genome in the cell nucleus?
A. mitochondria B. chloroplast C. nucleolus D. mitochondria and chloroplast E. mitochondria and nucleolus