A Flowering Vine Plant,Gelsemium Spp

question 7

Multiple Choice

A flowering vine plant,Gelsemium spp.,includes two separate species that formerly occupied a large,common habitat area,and currently occupy overlapping areas in the southeastern United States.Gelsemium sempervirens and Gelsemium rankinii have reproductive isolation,which has allowed them to exist as separate species due to

• A) allopatric speciation.
• B) sympatric speciation.
• C) prezygotic speciation.
• D) postzygotic speciation.
• E) parapatric speciation.

Understand historical and biological aspects of sex determination mechanisms.

Recognize different types of genetic disorders and their implications.

Grasp the concepts of X-linked recessive traits and their patterns of inheritance.

Understand the methods and purposes of prenatal diagnostic techniques.

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Definitions:

Diaphragm

A large, dome-shaped muscle at the base of the lungs that plays a key role in breathing.

Superior Phrenic Artery

The superior phrenic artery supplies blood to the upper part of the diaphragm, the main muscle involved in breathing.

Blood Vessels

Tubular structures carrying blood through the tissues and organs; a network that includes arteries, veins, and capillaries.

Celiac Artery

A major artery that supplies oxygenated blood to the liver, stomach, abdominal esophagus, spleen, and the superior half of both the duodenum and the pancreas.