Answer:
in a human 46 chromatids form 23 chromosomes
Explanation:
Answer;
Evolution
Mutations such as polyploidy and crossing over provide the genetic basis for evolution.
Explanation;
Evolution is the change in the characteristics or traits of a species over several generations and relies on the process of natural selection.
It occurs when some individuals or some alleles (alternative form of gene) reproduce themselves more than others,increasing their prevalence in subsequent generation.
Polypoidy and crossover brings about mutations that cause changes in characteristics and traits over time resulting to evolution.
Answer:
the younger rock is on the top because that is where the newer rocks form the older rock is on the bottom
Explanation:
Answer:
depending on which dog, depending on the color of the parents, maybe it is such that one of the parents is white and the other is red and they will have a black puppy
Deciduous forest biomes has four types of seasons: summer, winter, spring and autumn. The wood frog lives in the deciduous forests successfully because of the following adaptations that it has: it has the ability to adapt to very cold climates. During winter, the frog freezes up, it stops breathing and its heart stop beating. The frog usually produce an anti-freeze substance which prevents ice from freezing within its cells. When the weather becomes warm, the frog thaw up and begin feeding and mating again.
