Look at this cross: XBXb x XBY
What proportion of the male children are colorblind?
A. 100%
B. 75%
C. 50%
D. 25%
Select your answer:
Topics:
Skin Appendages Entomology Circulation of Blood Pancreatitis All About Blood Joints Diseases of The Nervous System Biopsychology - Neuroplasticity and Functional Recovery HHB Immunology Properties of Hair and Scalp Pediatric Musculoskeletal Disorders Nutrition and Human Digestive System Biology for Engineers Blood Pressure and Blood Vessels Latin & Greek in MedicineOther quiz:
Genes, Chromosomes and Genome › ViewWhich of the following correctly summarises the distinction between an organism’s genotype and their phenotype?
A. genotype refers to the alleles that an organism has inherited for a particular gene, while phenotype refers to all of an organism’s observable traits
B. genotype refers to any observable characteristics arising from an organism’s genome, while phenotype refers to the expression of traits based on the environment
Stress and Mental Health › View
What is positive stress?
A. A type of stress that is not THAT bad
B. Stress that has no physical or emotional symptoms
C. stress that causes you to perform better or get things done
D. Stress that does not last long