The allele for black hair (B) is dominant to the allele for white hair (b) in guinea pigs. Assume that a true-bred black hair guinea pig is crossed with a true-bred white hair guinea pig. Use a Punnett square to predict the genotypic and phenotypic ratios of the F1 generation. (6 marks) * You do not need to write a let statement hel

What is earths lithospheric plates interact at

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.