Nitrogen is a plant macronutrient
Indicate whether the statement is true or false
TRUE
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Imagine that fur length in a chinchilla species is a polygenic trait controlled by at least three genes. For each of these genes, long fur (PL, QL, or RL) has incomplete dominance over light (PS, QS, RS). A chinchilla homozygous for long fur is mated with a chinchilla that is homozygous for short fur. What will be true of their offspring?
A. 1/4 will be homozygous for long fur, 1/4 will be homozygous for short fur, and 1/2 will be heterozygous. B. 1/2 of their offspring will have long fur, 1/2 of their offspring will have short fur. C. 1/2 of their offspring will be homozygous for long fur, 1/2 of their offspring will be homozygous for short fur. D. All of their offspring will have intermediate-length fur. E. All of their offspring will have long fur.
What statement is most likely true about nest decorating behaviors in starlings? a. It will decrease the amount of predation on the fledglings
b. It will always harm the fledglings. c. It has no impact on the fledglings. d. It decreases the amount of competition for nesting sites. e. It may be adaptive for a variety of reasons.
Most organ transplants fail because
a. of poor vascular connection between host and donor tissue. b. the migrating leukocytes attack the tissue adjacent to the transplant. c. cytotoxic T cells enter the transplant through the connecting blood vessels and kill the individual transplant tissue. d. introduced tissues produce antibodies that cause a massive reaction. e. of all of these.
Use a flow diagram to represent the organization of a muscle from the macroscopic level to the
microscopic level. What will be an ideal response?