Juliet and Bob Have Two Children, Jack and Norma

question 78

Essay

Juliet and Bob have two children, Jack and Norma. No one in this family is red-green color blind, although Juliet sometimes has difficulty passing the color-vision part of the driving test. Norma has a color-blind son with Tom, who is not color blind. Draw a pedigree that includes all of this information. Below each person in the pedigree, write his or her genotype for the red-green color blindness gene, using B for the normal allele and b for the color blindness allele.

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Definitions:

Interest Rates

The cost of borrowing money or the reward for saving, typically expressed as a percentage.

Creditor Nation

A country that has more investments abroad than other countries have in it, leading to a net positive international investment position.

Debtor Nation

A country with a net financial balance that is negative, meaning it owes more money to other countries than it is owed.

Current Account

A component of a country's balance of payments that measures the trade of goods and services, plus net earnings from abroad and net transfer payments.