Prior to the work of Mendel, inheritance was viewed as resulting from
Answer: blending of traits from an offspring's parents
You might also like to view...
Background extinction rates eliminate approximately ____ species ____
a. 7-8; per 100 years b. 7-8; per 1000 years c. 7-8; per year d. 100; per year e. 100; per 1000 years
Water has unique properties which include its strength as a solvent; its three environmental stages of solid, liquid, and gas; and its temperature regulation. These properties are due to polar covalent bonds between oxygen and hydrogen. The polar covalent bonds are a result of
A. there being a greater number of electrons in oxygen outermost shell than in hydrogen. B. oxygen being more electronegative and therefore attracting more electrons than hydrogen. C. hydrogen being an electron donor and oxygen being an electron acceptor. D. hydrogen and oxygen having equal electronegative strength and therefore have equal sharing of electrons. E. hydrogen being more electronegative and therefore attracting more electrons than oxygen.
Which of the following statements is true?
a. Arteries carry only oxygenated blood. b. The systemic circuit leaves the heart from the left ventricle. c. Blood passes through only one capillary bed on its trip through the systemic circuit. d. Platelets survive a longer time than erythrocytes. e. The heart is able to pick up the oxygen it needs as the blood flows through it.
All mammals are viviparous
a. true b. false