Red-green color blindness is an X-linked recessive trait. Two normal-vision parents have a color-blind son. Indicate
the genotype and phenotype of each parent and the son. What will be an ideal response?
ANSWER: father CY, mother Cc, son cY
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Discuss how and why the investigative method of molecular genetics has had the greatest impact on human genetics over the last several decades
What will be an ideal response?
A study of a cohort of 1,000 animals showed a
90 percent death rate per individual in the first year, 10 percent the second year, and 5 percent the third year. This population's survivorship is a. type I. b. type II. c. type III. d. type I the first year and type II in years two and three. e. type I the first year, type II the second year, and type III the third year
If a cell from the blastoderm of the Drosophila embryo is committed to form part of an abdominal segment of the adult, such as the sixth one, and this cell is transplanted into the thorax-committed region of another embryo, will it develop properties
of a thoracic or an abdominal segment?
In monocots, the shoot tip is protected by ________, which eventually degenerate(s) once exposed to air
A) cotyledons B) the hypocotyl C) a slime layer formed by the shoot cells D) the epicotyl E) the coleoptile