Answer: her grandpa could not have been the source of either of her XX chromosomes.
Explanation: A male is the sole provider of the Y chromosome whereas females only have two XX's and no Y's
In my science classes, it was called a producer and or a keystone species
Neanderthals have contributed approximately 1-4% of the genomes of non-African modern humans, although a modern human who lived about 40,000 years ago has been found to have between 6-9% Neanderthal DNA
Answer:
<em>The function of the xylem is to transport water.</em>
Explanation:
Xylem can be described as a vascular tissue which transports water from the roots to other parts of the plant. Xylem cells form a long tube-like structure for the water to move. The mixture of water and some nutrients that pass through the xylem is known as a xylem sap.
On the contrary, phloem id the vascular tissue which is involved in the transportation of food from the leaves to other parts of the plant.
