Answer:
B: Genes
Explanation:
Parents give their traits by genes
Answer:
Causes fetal gonads to develop as testes shortly after fertilization.
Explanation:
The SRY gene is a sex-determining gene that is located on the Y chromosome. It is responsible for the production of a protein which is a testis-determining factor that enhances the development of a testis.
The SRY gene plays an important role in gender determination. Mutations that takes place in the SRY gene give rise to XY females with gonadal dysgenesis which is a developmental disorder of the reproductive system in the male or female. The individuals appear to be normal females at birth, but during the stage of puberty, they do not develop secondary sexual characteristics, they do not menstruate, and have fibrous gonads that does not contain eggs.
Answer:
I think it's D but I'm not too sure. Let me know if it's correct !
The information from the retina — in the form of electrical signals — is sent via the optic nerve to other parts of the brain, which ultimately process the image and allow us to see. ... The primary visual cortex is densely packed with cells in many layers, just as the retina is.
Answer:
The correct option is: a. parotoid gland
Explanation:
Cane toads, also known as Bufo marinus or Rana marina Linnaeus, are the giant old species of the terrestrial true toads. The female cane toads are longer than the male cane toads.
The skin of the cane toad is highly toxic. An adult cane toad has large parotoid gland behind each eye, which secretes a milky-white toxic fluid called bufotoxin.