Identify the mode of inheritance of the trait.
Above is a pedigree for a common human trait (not a disease) controlled by a single gene. Shaded symbols are for individuals exhibiting the trait.
A) Dominant
B) Recessive
C) Either dominant or recessive
D) Cannot be determined
B) Recessive
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The tissue that allows the plant to grow in length is the
a. apical meristem. b. cork cambium. c. root meristem. d. vascular cambium.
The male gametophytes of seed plants consist of a few cells enclosed by a sturdy wall made mostly of the resistant
polymer ____.
a. sporopollenin b. xylan c. lignin d. cellulose e. pectin
The basement membrane ________.
Fill in the blank(s) with the appropriate word(s).
The cell formed by the union of egg and sperm during fertilization is the ________
Fill in the blank(s) with correct word