Question

question 311 ptswhat is the phenotype for the genotype dd?|trait|dominant allele|recessive allele|| ---- | ---- | ---- ||earlobes|free (e)|attached (e)||widows peak|present (w)|not present (w)||roll tongue|yes (t)|no (t)||ptc taster|yes (p)|no (p)||eye color|dark (d)|light (d)|○ light eyes○ eye color○ not enough information○ dark eyes

Explanation:

Step1: Identify dominant allele

From the table, dark eyes (D) is dominant, light eyes (d) is recessive.

Step2: Interpret genotype Dd

In genetics, a heterozygous genotype (Dd) expresses the dominant trait.

Step3: Match to phenotype

The dominant phenotype for eye color is dark eyes.

Answer:

D. Dark eyes