In butterflies, males are the ________ sex

A) homozygous
B) heterozygous
C) homogametic
D) heterogametic
E) hemizygous


C

Biology & Microbiology

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Four genes (A, B, C, D) are in the same chromosome in the sequence D, A, B, C. The distance between A and B is 4 map units, between A and C is 6 map units, between B and C is 2 map units, and between B and D is 5 map units

The recombination frequency between genes C and D should be A. 2% B. 4% C. 5% D. 6% E. 7%

Biology & Microbiology

When the body experiences stress, the sympathetic division of the autonomic nervous system stimulates the adrenal

medulla to release ____.

a. epinephrine only b. norepinephrine only c. knockout hormones only d. epinephrine and norepinephrine e. epinephrine, norepinephrine, and knockout hormones

Biology & Microbiology

In a resting human, a ventricle pump moves roughly ____ liter(s) of blood per minute

a. 1 b. 2 c. 5 d. 10 e. 50

Biology & Microbiology

The energy required to run the Calvin cycle reactions of photosynthesis comes from which two substances produced during the light-dependent reactions?

a. ATP and NADPH b. ADP and PO4 c. H+ and O2 d. O2 and CO2 e. H2O and CO2

Biology & Microbiology