Andrea is eating a chicken breast, and wonders how many chromosomes are in each muscle cell. She looks it up – 78 total. Therefore, a sperm or an unfertilized egg/oocyte from a chicken would contain __ chromosomes. Note: chicken are diploid organisms.
King Henry VIII of England divorced or executed five wives. …
King Henry VIII of England divorced or executed five wives. He supposedly did this because his wives produced daughters, but no sons. Was Henry biologically correct in getting rid of his wives so he could have a son?
Mitosis would be most likely to occur
Mitosis would be most likely to occur
The expression of ABO blood types depends on the activity of…
The expression of ABO blood types depends on the activity of a second gene H. Explain how an H gene allele can affect the expression of the ABO blood grouping system known as the Bombay phenotype? What do we call this type of interaction where one gene can affect the expression of a second gene?
According to a new study, the number of cases of whooping co…
According to a new study, the number of cases of whooping cough has steadily increased since 2008 peaking in 2010. The rate of voluntary vaccine withdrawal (not receiving a vaccine shot) for whooping cough increased from 2007 to 2010. Whooping cough vaccine has a known effect on the number of whooping cough infections, and a large majority of individuals were not vaccinated. Which would best explain the relationship between whooping cough infections and vaccine withdrawal?
The genes of an eukaryotic cell are located in the
The genes of an eukaryotic cell are located in the
Which of the choices are listed from smallest to largest, or…
Which of the choices are listed from smallest to largest, or lowest to highest level of organization?
Stem cells have a variety of different uses. Highlight one u…
Stem cells have a variety of different uses. Highlight one use of stem cells and give a source of stems cells for an individual.
Body parts derived from ectoderm include the
Body parts derived from ectoderm include the
Stem cells made from reprogrammed cheek cells would most lik…
Stem cells made from reprogrammed cheek cells would most likely be considered a(n)