Answer:
B
Explanation:
Y chromosomes are the male chromosome. A person with an XY sex chromosome pair will be male while that with an XX sex chromosome pair will be female. This is because the Y chromosome has a male-determining gene called the SRY. This gene is responsible for the development of testis.
Answer:
Telophase is the last step of cell division, when chromosomes move in opposite directions so two new cells can be formed from one. When a cell is finishing the process of meiosis, it goes through a phase in which it's basically getting ready to split into two new cells telophase.
Explanation:
I'm joyous to help you today! :)
Answer:
The conifer phylum also contains the <u><em>Gnetophyta (Gymnosperms)</em></u>, an order that includes the genera Gnetum, Ephedra, and Welwitschia.
Explanation:
That group includes 70 species across the three genera mentioned above, the difference between the Gnetophytas and other Gymnosperms plants is the presence of vessels, similar to the ones in the flowering plants.
Answer:
ok, so if an hiv is a virus that attacks the immune system, how does that affect you?
if your immune system is weak in a moment, bad bacteria can enter your blood and cause problems and weaken your immune system even more.
its really bad for a person's health, it weakens your immune system so your body has a tougher time fighting against a virus.
Diffraction occurs when a wave moves through an opening in a barrier. This causes the wave to change direction and spread out.
Waves can behave in three different ways depending on the obstacles they encounter. They can reflect, refract or diffract. In diffraction, waves such as sound, light or water either bend around small objects that obstruct their passage or spread out as they travel through a gap in the barrier.
The degree of diffraction forms a direct relationship with wavelength. It generally increases as wavelength increases. Conversely, the amount of bending lessens as wavelength decreases. However, if the opening of the barrier is smaller than the wavelength, the effect of diffraction is not easily observed. Hope this helps.
