6 True/False: Mark the following statements as true (T) or fakse (F), If the sta

Question

6 True/False: Mark the following statements as true (T) or fakse (F), If the statement is false, correct it to make it a true statement. a The umbilical arteries carry cxygenated blood to the conceptus b. The ductus artenosus is a vascular shunt from the putmonary trunk to the aorta c. The ductus arteniosus and foramen ovale bypass the fetal lungs d. The ductus venosus is a wascular bridge between the umbilical artery and the inferior vena cava. 7 The passing of traits from parents to offspring is known as a genotype b. phenotype c heredity. d. dominance 8 Fill in the blanks: The is the genetic makeup of an organism, and the is the physical manifestation of a trait 9 What is an allele? Ise, correct it to make it a true statement a. Sex-linked dsorders tend to affect males more than females. b? The × and Y chromosomes are called autosomes. c. A person with two different alleles is homazygous for that trait. d. Blood typing cannot be used to conclusively prove paternity. e. A dominant allele will mask or suppress a recessive allele 28 756 Exploring Anatomy & Physiology in the Laboratory

Explanation / Answer

6)a false The umbilical arteries carry de-oxygenated blood.

b true

c true. Both bypass the fluid filled fetalnon functional lungs.

d false.  the ductus venosus shunts a portion of the left umbilical vein blood flow to the inferior vena cava. so its not the artery but the vein

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