Mourning geckos (Lepidodactylus lugubris) are truly a unique species. This gecko is small as it only grows up to 10 cm or 4 inches. With a range of Hawaii, the South Pacific lands, and Central and South America these geckos have one of the largest ranges among reptiles.
What really sets this species apart is how they reproduce Mourning geckos are all female and reproduce through parthenogenesis, where the mother essentially clones herself to create her offspring However, their genes have the ability to recombine to allow genetic variation and mutation Like many other geckos, mourning geckos lay two eggs me several times a year. The eggs incubate for 65 to 103 days
According to the passage, which of the following definitions most closely defines the prefix “partheno”
A.
Without incubation
B.
Without males
C.
Without incubation
D.
Without shells
The correct answer and Explanation is :
The correct answer is B. Without males.
Explanation:
The prefix “partheno-” is derived from the Greek word “parthenos,” which means “virgin.” In biological terms, it is used to describe a mode of reproduction known as parthenogenesis. This process occurs when an organism reproduces without fertilization by a male, effectively allowing females to produce offspring on their own.
In the context of mourning geckos, which are entirely female, parthenogenesis allows them to reproduce without the presence of males. Each female can produce offspring that are genetic clones of herself, although the process also allows for some genetic variation through the recombination of genes. This unique reproductive strategy is quite rare among reptiles and highlights the adaptability of the species in various environments.
The other answer choices do not accurately reflect the meaning of “partheno-“:
- A. Without incubation and C. Without incubation are incorrect because the term does not relate to the incubation process at all. Incubation refers to the development of eggs after they have been laid, which is a separate aspect of reproduction.
- D. Without shells is also incorrect, as the term does not pertain to the physical characteristics of eggs but rather to the absence of male fertilization in the reproductive process.
Understanding parthenogenesis in mourning geckos is crucial, as it not only explains their unique reproductive strategy but also illustrates broader themes in biology regarding reproduction and genetic diversity. This adaptation enables them to thrive in various habitats, further contributing to their extensive range across different geographic locations.