Question

this passage describes the fleece type trait in sheep:
the fleece, or outer coat, of a sheep is often cut off and used to make yarn for fabrics and other textiles. woolly fleeces, which have shorter hairs, are usually used for clothing and blankets. hairy fleeces, which have longer hairs, are usually used for carpets.

in a group of sheep, some individuals have a hairy fleece and others have a woolly fleece. in this group, the gene for the fleece type trait has two alleles. the allele f is for a hairy fleece, and the allele f is for a woolly fleece.

buttercup, a sheep from this group, has a woolly fleece. buttercup has two alleles for a woolly fleece.

based on this information, click the blue words to correct any errors in the text.
buttercups genotype for the fleece type trait is a woolly fleece.
buttercup is homozygous for the fleece type gene.
buttercups genotype for the fleece type gene is ff.

Explanation:

1. A "woolly fleece" is a phenotype (observable trait), not a genotype. Genotype refers to the genetic alleles an organism carries.
2. Buttercup has two identical alleles for woolly fleece, so being "homozygous" (having two identical alleles for a gene) is correct.
3. The allele for woolly fleece is given as f, and Buttercup has two of these alleles, so the genotype ff is correct.

Answer:

1. Buttercup's phenotype for the fleece type trait is a woolly fleece.
2. Buttercup is homozygous for the fleece type gene. (No correction needed)
3. Buttercup's genotype for the fleece type gene is ff. (No correction needed)