Two chromatids are connected by a
A. centromere.
B. spindle.
C. centriole.
D. chromosome.
A. centromere.
Biology & Microbiology
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Diploid (2n) cells in the ____ of mosses, ferns, gymnosperms, and angiosperms divide meiotically and form haploid (1n) spores
Fill in the blank with the appropriate word.
Biology & Microbiology
Genetic variation can originate both from the production of new alleles and from the arrangement of
existing alleles.
Indicate whether the statement is true or false.
Biology & Microbiology
Which of the following is an aggregate fruit?
a. peas b. acorns c. pineapples d. strawberries e. cherries
Biology & Microbiology
Plasmid cloning vector DNA is usually introduced into bacterial hosts by ________.
A. ligation B. transformation C. plasmolysis D. transduction
Biology & Microbiology