The allele frequency of allele b for the collection of fish in box 1 of the figure is
A. 25%.
B. 50%.
C. 75%.
D. 1:2:1.
B. 50%.
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What is the first step in seed germination?
a. emergence of the embryonic root b. diffusion of water into the seed c. hydrolysis of starch d. meristem cells divide rapidly e. cotyledons emerge from the seed
Where in a typical human cell does glycolysis occur?
A) mitochondrion B) Golgi apparatus C) cytoplasm D) nucleus E) rough endoplasmic reticulum
Many living and fossil species of camelids, a mammal family containing camels, llamas, and alpacas, can be found in the Americas, but only two species can be found in Asia and one can be found in Africa
The part of the world in which the camelids probably evolved is ________. Fill in the blank(s) with correct word
Brown-eye genes are dominant over blue-eye genes. What is the best explanation for the fact that all the blue-eye alleles have not disappeared in the human population?
A) Some blue alleles are always hidden in heterozygotes. B) The population is likely in Hardy-Weinberg equilibrium for that locus. C) Brown-eyed people sometimes have a blue-eyed parent. D) People with brown eyes tend to choose mates with brown eyes, and blue-eyed people tend to choose mates with blue eyes.