Answer:
Explanation:
Scientists collect their evidence through experimentation and/or observation.
Answer:
The correct option is <em>B. Crossing- over </em>
Explanation:
In biology, crossing over can be described as a phenomenon by which homologous chromosomes exchange segments during the process of meiosis.
The unexpected results came because the DNA segment between the homologous chromosomes was exchanged during meiosis. The alleles got shuffled by this process and hence showed the unexpected results.
Crossing over and independent assortment are phenomenon which occurs only during the process of meiosis. These phenomenons cannot be observed during mitosis.
Answer:
elliptical
Explanation:
Curious enough, the smallest galaxies are also the elliptical types. The oldest and farthest galaxy ever discovered is an irregular type of galaxy called GN-z11. It is 32 billion light-years / 9.8 billion parsecs away from us. It is estimated that the galaxy formed just around 400 million years after the Big Ban
Answer:
Hemostasis incorporates three stages that happen in a fast grouping: (1) vascular fit, or vasoconstriction, a brief and serious compression of veins; (2) arrangement of a platelet fitting; and (3) blood thickening or coagulation, which fortifies the platelet plug with fibrin work that goes about as a paste to hold the coagulation.
Explanation:
Answer:
A cell that results from the fusion of sperm and ovum is called a zygote. The process of fusion of sperm and ovum is called fertilization.
