Which of these groups of animals are extinct?

1] polarbears

2] killer whales

3] dinosaurs

4] sea turtles

Which is more likely to happen? Two genes on the same chromosome being inherited, or two genes on different chromosomes being inherited?

n dominant/recessive inheritance patterns, the dominant allele is always expressed when present. The recessive allele is only expressed when the dominant allele is not present.

1. What types of foods are fortified? Give an example. 2. In order for fortified foods to have their intended impact, what things are necessary? 3. Do consumers need to be aware that a food is fortified in order to receive benefits? 4.

Which statement best compares transcription and translation?

Explain how one receptor can induce different phenotypes in different cell types.

What is a likely consequence of continued human population growth?

Why is an organisms role important for its community?

Briefly describe what is meant by the semiconservative nature ofDNA replication?

Why do sex-linked traits follow different patterns of inheritance than other traits? Apex

Some animals, like birds, reproduce by fusion of cells. Before a bird hatches, what protects the bird as it develops?