A gene locus is
A. a recessive gene.
B. an unmatched allele.
C. a sex chromosome.
D. the location of a gene on a chromosome.
E. a dominant gene.
Answer: D
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Air is the least optimal respiratory medium because ____
a. air flow increases evaporation of water from the respiratory surface b. air contains 30 times as much O2 as water c. air is 1000 times less dense than water d. air requires more energy to ventilate over the respiratory surface e. O2 diffuses more rapidly in air than in water
________ organisms are genetically modified or engineered to carry one or more foreign genes
Fill in the blank(s) with correct word
If you have ever had a chance to witness a childbirth, then you know it is an amazing event. However, even after the baby has been removed from the mother, her work is not complete in terms of labor. Why?
What will be an ideal response?
Which biome has the longest growing season?
a. tundra b. taiga c. grassland d. temperate deciduous forest e. tropical rain forest