AP Bio - Plickers 1/20/22

Black fur in mice (B) is dominant to brown fur (b). Short tails (T) are dominant to long tails (t). What fraction of the progeny of crosses BbTt × BBtt will be expected to have black fur and long tails?

1/2

All of the following are features of prokaryotic cells (DNA, cell wall, ribosomes, endoplasmic reticulum) except...

Endoplasmic Reticulum

A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designed by alleles R and r respectively. A third gene for the MN blood group has codominant alleles M and N.Which of the following is a possible partial genotype for the son?

IBi

A student in a biology class crossed a male Drosophila melanogaster having a gray body and long wings with a female D. melanogaster having a black body and apterous wings. The following distribution of traits was observed in the offspring: Phenotype number of offspring Gray body, long wings 42 Black body, long wings 41 Gray body, apterous wings 9 Which of the following is supported by the data?

Located close together on the chromosome something something

According to the graph from the cell respiration lab what happens to the rate of oxygen consumed by germinating peas over time?

Remains constant

According to the cell respiration lab, what was the main variable that affected the rate of respiration?

Temperature

All of the following statements concerning saturated fats are true except

They have multiple double fatty bonds in the carbon chains of their fatty acids

Genes that inhibit cell division are called

Tumor Suppressing Genes