AP BIOLOGY

ANIMAL REPRODUCTION AND DEVELOPMENT

ASEXUAL REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Whiptail lizards are developed from unfertilized eggs. This is an example of what asexual reproduction
A
Binary fission
B
Budding
C
Fragmentation
D
Parthenogenesis
Explanation: 

Detailed explanation-1: -Several types of Lizards are parthenogenetic such as Caucasian rock lizard species of genus Lacerta. Lacerta is true parthenotes, therefore, their egg is not fertilized by a sperm. Another genus is the Teiid of whiptail lizards, which is the most known evolutionarily type of reptiles that reproduce by parthenogenesis.

Detailed explanation-2: -The form of asexuality these whiptail lizards use is called parthenogenesis – it’s a form of asexual reproduction in which the embryo can grow and develop without fertilization by sperm.

Detailed explanation-3: -Most animals that procreate through parthenogenesis are small invertebrates such as bees, wasps, ants, and aphids, which can alternate between sexual and asexual reproduction. Parthenogenesis has been observed in more than 80 vertebrate species, about half of which are fish or lizards.

Detailed explanation-4: -Parthenogenesis is a unique form of reproduction where embryonic development occurs in unfertilized eggs. Beatty (1967) defined parthenogenesis as ‘the production of an embryo from a female gamete without any genetic contribution from a male gamete and with or without eventual development into an adult’.

Detailed explanation-5: -Many species of whiptail lizards are all female. That’s right: these badass ladies figured out how clone themselves, so they wouldn’t have to bother having sex with males to maintain their species. This natural form of cloning is called “parthenogenesis”-and it isn’t as complicated as it sounds.

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