Down syndrome is the result of an extra chromosome 21 in a gamete. What caused this to happen?

nondisjunction

telomeres

environment

chromosome inactivation

Each chromosome usually contains multiple genes true false

Asexual reproduction and involve the production of new cells from a single parent cell. The chromosomes in these new cells are the chromosomes in the parent cell

Why the bio remediation is a series of processes for wastes?

Which of the following must a unicellular organisms do to maintain homeostasis

Last night in class, Upe asked her instructor about the flow of positive and negative ions into and/or out of a cell. Her instructor told her that the two processes involved in this movement are: A. diffusion and electrostatic pressure. B.

During the Flood, rushing floodwaters moved and deposited immense amounts of sediments and animals were buried according to what two things?

Which polymers provide plants with their genetic traits? A). Proteins B). Lipids C). Nucleic Acid D). Starches I attempted question once, so answer is not lipids.

Which country has the most species of butterflies

Which characteristic makes fungi similar to plants? Both fungi and plants are autotrophic organisms. Both fungi and plants have vascular tissue. Both fungi and plants have cell walls of chitin. Both fungi and plants can grow in soil.

How do plants atrract flies or possums for pollination