Despite the fact that both parents are still blood type A, Dad has the option of passing either the A or the O gene variant.
Mom can also transmit either an A or an O. As a result, you can see that a child has a 1 in 4 probability, or 25% chance, of having blood type O. However, it is theoretically feasible for two O-type parents to have an AB or B blood type child (although this is even more unlikely). In fact, if you take into account the rule-breaking cases, a child can acquire practically any blood type. Having an A parent and a B parent can result in a child with the blood types A, B, AB, or O.
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Answer:
The answer is wet and moist places.
Explanation:
Many of the plants in phylum polypodiophyta are ferns. Each group of fern plants consisting of spores or sporangia is called sorus. Fern are primitive plants and have an ancient history.
Many ferns are known since the time of fossil fuels. Other kinds of ferns are grape ferns and adder's tongue ferns. These ferns belong to the order Ophioglossales.
All of the ferns genera have complex and old histories. These plants are mostly found in wet and moist places and live in lakes and ponds where water is abundant.
<span>Radon gas is a Groundwater entering a house through a home water-supply</span>
Answer:
the plasma membrane is the control center of the cell
Biologists recognize five levels of cell organization. The lowest and simplest is the cellular level. Organisms here are either unicellular organisms, like protozoa, or colonial organisms. Colonial organisms are composed of single-celled individuals that stay together to sustain the life of the whole colony. Next on the scale of complexity is the level occupied by tissue. A tissue is a group of similar cells that perform a similar activity. Tissues that are organized around a common function together make up an organ, the third level of complexity. The fourth level of organization is the system, formed by a group of organs that together perform a specific bodily process. The fifth and highest level is the organism level, in which body systems work together in a structure capable of independent life.
