There are three different types of things that may occur when an extra chromosome is found in the 23rd pair. I'll give the causes and symptoms for each of three different types!
Klinefelter's Syndrome (XXY)
Cause: Occurs when there is an extra X chromosome in the 23rd pair (in males only)
Symptoms: Weak muscles, slow motor development, delay in speaking
Super Male (XYY)
Cause: Occurs when there is an extra Y chromosome in the 23rd pair
Symptoms: intellectual disabilities, increased height, behavior problems, lower intelligence/IQ, anger issues, more testosterone, usually normal appearance
Trisomy X
Cause: Extra X chromosome in 23rd pair (in females only)
Symptoms: usually asymptomatic, doesn't affect fertility, mild facial abnormalities, delayed development, tall stature when there is an extra chromosome in the 23rd pair
Answer:
functions of protein:
growth and maintainance
causes biochemical reactions
acts as a messenger
provides structure
transports and stores nutrients
provides energy
Explanation:
all the statements about nucleic acids are true
To be an animal trainer you should major in zoology
Answer:
The answer is E
Explanation:
This is because secondary endosymbiosis occurs when one living cell engulfs another cell that has undergone primary endosymbiosis. It means that there are now more membranes layers, one from the engulfed cell/organism and the other from the engulfed bateria/cell during the primary endosymbiosis.
This major species of protist undergo endosymbiosis, where one cell engulfs another such that the engulfed cell survives and both cells benefit i.e it allowed the engulfed cell to conduct photosynthesis through the presence of chloroplast.