D is the symbol for the dark-haired allele; d is the symbol for the blond-haired allele. Four children have the following allele pairs: Kevin has DD, Chris has Dd, Kelly has dD, and Vince has dd. Which child is considered recessive homozygous and has blond hair?

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a.achondroplasia b.huntington's disease c.hemophilia d.albinism

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.