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A plant breeder crossed a red-flowered, long-stemmed rose with a white-flowered, short-stemmed rose and obtained the following offspring:

  • 604 red-flowered, short-stemmed roses
  • 597 red-flowered, long-stemmed roses
  • 0 white-flowered, short-stemmed roses
  • 0 white-flowered, long-stemmed roses

What can you deduce about the genotypes of the original roses used in this cross? Select ALL that apply.

A

Both parents were heterozygous in the genes encoding both traits.

B

Both parents were homozygous in the genes encoding both traits.

C

The red-flowered, long-stemmed rose was homozygous in the flower color gene.

D

The white-flowered, short-stemmed rose was homozygous in the flower color gene.

E

Both parents were heterozygous in the flower color gene.

F

One parent was heterozygous in the stem length gene while the other was homozygous.

G

Both parents were heterozygous in the stem length gene.

H

Both parents were homozygous in the stem length gene.

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