A recessive allele: Check all that apply.
_____ will have no noticeable effects on an organism's phenotype if a dominant allele is present
_____ will never have an effect on an organism's phenotype
_____ can be on either the maternal or the paternal chromosome
_____ will have an effect on an organism's phenotype if the individual is homozygous for the recessive allele
__X__ will have no noticeable effects on an organism's phenotype if a dominant allele is present
_____ will never have an effect on an organism's phenotype
__X__ can be on either the maternal or the paternal chromosome
__X__ will have an effect on an organism's phenotype if the individual is homozygous for the recessive allele
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Her study includes _____ organisms, _____ populations, and _____ communities
a. 60; 3; 2 b. 3; 2; 60 c. 2; 3; 60 d. 60; 2; 3
The main components of the extracellular matrix are ____
a. glycolipids b. phospholipids c. glycoproteins d. cellulose e. glucose
What prevents growth plates from calcifying, preserving their ability to grow?
a. growth hormone b. calcium c. phosphate d. signals from the nervous system e. thyroid hormone
Which of the following statements about phagocytic cells in animals is false?
(a) Phagocytic cells are important in the gut to take up large particles of food. (b) Phagocytic cells scavenge dead and damaged cells and cell debris. (c) Phagocytic cells can engulf invading microorganisms and deliver them to their lysosomes for destruction. (d) Phagocytic cells extend pseudopods that surround the material to be ingested.