What is the probability that this couple will have four children, three sons with short index fingers and one daughter long index fingers?

With regard to a maternal effect gene, a mother is dd and her haploid oocyte (d) is fertilized by a sperm carrying the D allele.  Which gene products would be found in this fertilized oocyte?

Which of the following statements regarding epigenetics is true?

Some fish have bony fins.  If the body of water they are in dries out, these fins can be used to help the fish “walk” to another body of water.  In this context, bony fins are an example of ________.  

The product rule is used to solve problems in which

The Endangered Species Act aims to help protect species that ________.  

For genes which have multiple alleles, the relationships between those alleles can be a variety of types of dominant/recessive relationships.  

Eukaryotes that are not fungi, animals, or plants are classified in a “catch-all” category called _________.  

Assuming that 50% of the offspring are male and 50% are female, what is the probability of this couple having a daughter with short index fingers?

A cross is made between a green four-o’clock and a white four o’clock. Green chlorophyll synthesis is inherited via the chloroplasts, which are maternally inherited in this species. If the white plant provides the pollen, the expected outcome of the offspring would be