A new species of grasshopper is discovered, varieties are found with red stripes

Question

A new species of grasshopper is discovered, varieties are found with red stripes, another with yellow stripes, and a third with orange stripes . Careful genetic analysis shows that the striping pattern observed is controlled by one gene with two alleles. When true-breeding red striped grasshoppers are crossed iwth true-breeding yellow striped grasshoppers, all offspring are orange striped.

complete dominance

codominance

incomplete dominance

9 red : 3 orange : 4 yellow

1 red : 1 orange : 1 yellow

1 red : 1 orange

1 red : 2 orange : 1 yellow

all red striped

all orange striped

all yellow striped

1 orange : 1 yellow

9 red : 3 orange : 4 yellow

1 red : 1 orange : 1 yellow

1 red : 1 orange

1 red : 2 orange : 1 yellow

all red striped

all orange striped

all yellow striped

1 orange : 1 yellow

What is the relationship between the two alleles controlling the grasshoper stripe color?

complete dominance

codominance

incomplete dominance

What color(s) and in what ratios are expected if you cross two orange striped grasshoppers?

9 red : 3 orange : 4 yellow

1 red : 1 orange : 1 yellow

1 red : 1 orange

1 red : 2 orange : 1 yellow

all red striped

all orange striped

all yellow striped

1 orange : 1 yellow

What color(s) and in what ratios would you expect if you crossed a orange striped and a red striped grasshopper?

9 red : 3 orange : 4 yellow

1 red : 1 orange : 1 yellow

1 red : 1 orange

1 red : 2 orange : 1 yellow

all red striped

all orange striped

all yellow striped

1 orange : 1 yellow

Explanation / Answer

1)codominance

2)1 red:2 orange:1 yellow

3)1 red:1 orange

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