In HIV-infected patients, there is a gradual loss of CD4+ T cells over time. These cells, also called T helper cells, organize the immune system's attack on disease-causing invaders, like Salmonella.
Male has sex chromosomes: One X + one Y
Female has sex chromosomes: Two X
So, Female must contribute by one X chromosome, but male can contribute either by X or Y, if he sends, X chromosome, then Female (Girl) will form, but if he sends Y chromosome, then Male (Boy) will form
Hope this helps!
This is B; false.
Europe is not located in the tropics. In fact, no European countries lie in the tropical region. Europe is located in the temperate climate zone.
Answer:
1) Brown, 2)Tall with a 25% chance of short 3) Rough 4) 50% chance of solid 50% chance of stripes
Explanation:
The big letters are the dominant. Dominant always shows up if its part of it. The genetic squares show that any square with a Big letter will present the big letters trait. i didnt really understand so i hope this is what you're looking for