Answer::: Brain structures called the hypothalamus and pituitary gland control the menstrual cycle. The hypothalamus triggers the pituitary gland to make hormones that trigger the ovaries to make oestrogen and progesterone. ... Disorders of the hypothalamus, pituitary gland or ovaries can affect menstruation, causing amenorrhoea
The difference is that emphysema and chronic bronchitis are different types of chronic obstructive pulmonary disease (COPD). <span />
Answer-
Red-green color blindness is a recessive trait and blue-yellow color blindness is a dominant trait.
Depending on which color blindness the genotypes would be,
red-green CB-
cc and cc
Or
Cc and cc
If it’s blue-yellow color blindness it would be
CC and CC
Or
CC and Cc
Answer is Anemia, which is the absence of a good portion of red blood cells.