1. During the Human Genome Project, scientists learned that most of the human genome A. doesn't code for proteins. B. is located on sex chromosomes. C. isn't inherited. D. codes for proteins.
1. During the Human Genome Project, scientists learned that most of the human genome A. doesn't code for proteins. B. is located on sex chromosomes. C. isn't inherited. D. codes for proteins.
2 Tortoiseshell cats have different alleles for fur colors on their X chromosomes, with different X chromoson bein activate different cells, a phenomenon called A X-inactivation. B. X-expression. C. X-activation. D. Y-inactivation.
3 Consider that people with blue eyes must have two alleles for blue eyes since blue eye color is a recessive trait. A blue-eyed person and a brown-eyed person have an offspring with blue eyes. The brown-eyed person must A. have two alleles for blue eyes.
B. have two alleles for brown eyes.
C. not have the dominant brown eye allele.
D, have one allele for blue eyes and one allele for brown eyes.
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