9.8K views · 71 reactions | For more than 30 years, JAX has used cryopreservation to safeguard embryos and sperm from research mice. Using in vitro fertilization, JAX has created a new colony of specialized hACE2 mice to support global research on COVID-19. https://www.jax.org/news-and-insights/2020/march/saving-science-by-saving-mice | The Jackson Laboratory | Facebook

A geneticist discovers an obese mouse in his laboratory colony. He breeds this obese mouse with a normal mouse. All the F1 mice from this cross are normal in size. When he interbreeds two F1 mice, eight of the F2 mice are normal in size and two are obese. The geneticist then intercrosses two of his obese mice, and he finds that all the progeny from this cross are obese. These results lead the geneticist to conclude that obesity in mice results from a recessive allele. A second geneticist at a di

Answered: A geneticist discovers an obese mouse in his laboratory colony. He breeds this obese mouse with a normal mouse. All the F1 mice from this cross are normal in… | bartleby

An Introduction to the Laboratory Mouse: Mus musculus - JoVE