Timothy inherited attached earlobes because his maternal grandfather had homogenous genes for attached earlobes. Along with this, the woman that his grandfather married and had offspring with either had homogenous genes for attached earlobes, or had mixed genes so both of his grandparents passed on the recessive trait for attached earlobes.
A look at how cacti are able to survive and grow in the harsh, dry desert environment. The spines on a cactus help to protect it from humans and animals. Its roots are spread out to collect water when it does rain and it stores water in its body for future use.
Answer:
alternation of generations
Explanation:
The expression alternation of generations refers to reproductive cycles that occur in different living organisms, such as those in terrestrial plants, including the occurrence of alternation of generations of terrestrial plants is a characteristic that does not occur in Charales.
The alternation of generations is a phenomenon present in the life cycle of all plants and also in some algae and fungi. This alternation means that during the life of the plant it will go through a haploid phase called the gametophyte, which will alternate with the diploid generation known as the sporophyte. A haploid cell has only one set of chromosomes (n), while a diploid cell has two sets (2n).
Answer:
Médula ósea amarilla
Explanation:
La médula ósea amarilla, también conocida como tuétano, está formada por células adiposas o adipocitos, razón por la cual posee un color amarillo característico. De este modo, la principal función de la médula osea amarilla es el almacenamiento de grasas (almacenamiento de energía). La médula amarilla también contiene hematíes (glóbulos rojos) dispersos. Este tipo de médula puede observarse en los huesos largos, mientras que la médula ósea roja se encuentra en el tejido esponjoso de huesos planos.
