The expression of both alleles for a trait in a heterozygous individual illustrates
A) codominance.
B) pleiotropy.
C) polygenic inheritance.
Answer: A
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a. the Hfr cell can lose chromosomal genes that it transfers to the F- cell b. the donor cell can become a partial diploid
c. plasmid DNA is transferred from the Hfr cell to the F- cell d. chromosomal DNA can be transferred from the F- cell to the Hfr cell e. chromosomal DNA can be transferred from the Hfr cell to the F- cell
What is the layer of elastic proteins beneath the cell membrane of protozoans?
a. eyespot b. pellicle c. feeding groove d. flagella e. cell wall
Eating very spicy food stimulates the release of ________
A) endorphins B) insulin C) glucagon D) calcitonin
Which of the following cell shapes look like a comma?
A) spirochetes B) stella C) bacilli D) vibrio E) coccobacilli