If you cross two pea plants, one with green peas and the other with yellow peas, and all of the offspring have yellow peas, you conclude?
A. the yellow parent was heterozygous.
B. the green parent was homozygous for the dominant allele.
C. the green parent was heterozygous.
D. the yellow parent was homozygous for the dominant allele.
E. the yellow parent was homozygous for the recessive allele.
Ans: D. the yellow parent was homozygous for the dominant allele.
You might also like to view...
The membrane covering the organs of the abdomen is called the:
a. visceral pleura b. visceral peritoneum c. parietal pleura d. parietal peritoneum
Which nephron structure is especially important in the kidney's ability to produce urine of varying concentration?
a. Bowman' capsule b. proximal tubule c. distal tubule d. loop of Henle e. glomerulus
Synovial joints are different from both fibrous and cartilaginous joints because synovial joints
A. use fibrous connective tissue to hold the bones in the joint together. B. are enclosed by a joint capsule. C. are only temporary; they are replaced in the adult. D. generally have both bones in the joint fused together. E. are not freely moveable.
If a kidney tubule is viewed in a cross section under the microscope, how will the tubules appear?
A. The cells will no longer be recognizable. B. They will appear as squiggly lines. C. They will look like hoses that have been cut in half lengthwise. D. They will look rectangular. E. They will appear as circles.