B. a specific place on a chromosome where a particular gene resides.
A locus (plural loci) in genetics is the position of a gene on a chromosome. Each chromosome carries many genes; humans' estimated 'haploid' protein coding genes are 19,000-20,000, on the 23 different chromosomes. A variant of the similar DNA sequence located at a given locus is called an allele.
Answer:
<h2>All deuterostomes exhibit radial symmetry in their bodies.</h2>
Explanation:
deuterostomes : All deuterostomes are triploblastic and have 3 layers:
i) endoderm, ii) mesoderm and iii) Ectoderm
In deuterostomes , a mouth that develops separately from the blastopore.
Taxonomically, the deuterostomes defines as any member of the phyla (Chordata, Hemichordata, Echinodermata, etc) in which the anus appears first, and it develops at or near the blastopore.
All deuterostomes have a coelom.
All deuterostomes have a similar pattern of early embryonic development.
Well you see dinosaurs are hypothesized to be extinct because one, the atmosphere today won't really let most animals become as big as long ago, two these things were giant cold blooded lizards they had some unknown properties and they were different than what we have today. We don't know much about dinosaurs. The theory of an asteroid destroying all dinosaurs is supported by many facts it is still unknown. The fact that we don't see the lizards around, and in only in myths is enough for one species to be hypothesized extinct.
<span>Vernacular geography is a place of sense in ordinary peoples language. Vernacular region is a distinctive area where the inhabit of themselves and corrected in a history. Major source of this geographical information is submitted by no specialists. From these outcomes the geographical source are arranged by spatial coordinates.</span>