A. Patient is male because there is a Y chromosome
B. 47 chromosomes
C. Down syndrome or trisomy 21
Homozygous dominant allele is RR
Multicellular organisms require a lot of energy and resources to survive.
Unicellular organisms, on the other hand, require just the basic necessities. On top of that, unicellular organisms don't require a long time to reproduce as multicellular organisms do.
Thus, multicellular organisms are at a disadvantage because they require more energy, sources, and essentially time.
Hope this helps!
Anemia is the condition describing either a decrease in the number of red blood cells or the hemoglobin within the red blood cells
The statement given in this question is TRUE; Some animals in grassland can obtain the water they need from plants.
Grassland is a biome that is characterized by wide range of temperature and uniform distribution of rainfall all through the year. The major plants found in the biome are grasses and herbs. The soil in the biome is not fertile enough for trees to survive there. Different animals can be found in the biome and some of the animals has drought resistance capacity. Some of these animals obtain their water requirement from the grasses, which they consume.
