Answer:
The genotypic ratio shows the number of times a characteristic of an organism will be seen in the offspring when genes for certain traits are crossed. ... The genotypic ratio for this cross is written 1:2:1. In animals and plants, each gene has 2 alleles or variations, one from each parent
Explanation:
Evolution- Is when a nonliving thing creates a living thing
Answer:
There are advantages and disadvantages of sexual reproduction, compared to asexual reproduction. The main issues are: Advantages: More variation assists with survival. It increases the chance that at least some offspring of a parent survive.
Answer:
cardiovascular system
Explanation:
Blood, a connective tissue of the cardiovascular system, transports materials to and from cells through a network of blood vessels (i.e., arteries, veins, capillaries). Oxygen is carried by red blood cells, and nutrients are dissolved in the blood's plasma.