The correct choice is D.
A karyotype is the layout of chromosomes, in size order from largest to smallest. These chromosomes are ALWAYS in pairs, meaning that it would be easy to notice which of the 23 chromosome pairs have 3 chromosomes instead of the usual pair.
Parthenogenesis is a form of asexual reproduction that results in a viable egg. A good example of this would be the Mexican Whiptail Lizard. The answer would be the last choice, an egg develops without being fertilized.
Cholesterol, I believe is the answer.
Answer:
I guess it's
Explanation:
C. Atmosphere and hydrosphere
.
.
Sorry if I'm wrong!
