Diagram Description automatically generated Colorblindness is a -linked trait. A mother with normal vision and a man who is colorblind have a colorblind daughter. What statement MUST be true about the parents?
Question 21 options:

The mother is a heterozygous carrier.

The father is a heterozygous carrier.

The mother cannot have the colorblind gene.

The mother is monozygous dominant for normal vision.
Question 22 (0.4 points)

The tundra and taiga have unique characteristics which help distinguish them from each other. Which of these physical factors led to the differences found in these biomes?
Question 22 options:

The tundra is colder and receives less rainfall than the taiga.

The tundra is colder and receives more rainfall than the taiga.

The tundra is warmer and receives less rainfall than the taiga.

The tundra is warmer and receives more rainfall than the taiga.

Question 23 (0.4 points)

Predict the next digestive system organ in the following sequence:

mouth, pharynx, esophagus, stomach,

Question 23 options:

liver

kidneys

small intestines

large intestines
Question 24 (0.4 points)

The chemical formula of glucose is C6H12O6, so it is classified as a(n)
Question 24 options:

element

mixture

solution

pure substance
Question 25 (0.4 points)

Place the following levels of biological organization in the proper order, from smallest to largest.

1) Macro molecule

2) Tissue

3) Organ System

4) Organ

5) Cell
Question 25 options:

1, 5, 4, 3, 2

1, 2, 5, 4, 3

5, 1, 2, 3, 4

1, 5, 2, 4, 3