Chart the path of blood through the heart, including the valves passed. What will be an ideal response?
ANSWER: Blood enters the right atrium via the superior and inferior vena cavae. It then passes the right
atrioventricular valve and into the right ventricle. It is pumped from the right ventricle
through the pulmonary valve to the lungs. Blood returns from the lungs to the left atrium, and
passes through the left atrioventricular valve to the left ventricle. It is pumped out to the body
through the aortic valve.
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Draw a rooted phylogenetic tree containing seven organisms labeled A to G. Label your tree with the following terms: branches, extant taxa, nodes, last common ancestor, and an outgroup
What will be an ideal response?
Ovaries, the female gonads, produce eggs and secrete the hormones __________ and __________. Fill in the blank(s) with the appropriate word(s)
Karyotype analysis ____
a. is a means of detecting and reducing mutagenic agents b. is a surgical technique that separates chromosomes that have failed to segregate properly during meiosis II c. can be used in prenatal diagnosis to detect chromosomal mutations and genetic disorders in embryos d. replaces defective alleles with normal ones e. is used in DNA analysis for paternity
Heritable information exists as discrete units called genes, which are located on ________
Fill in the blank(s) with correct word