Part a Is Made from Two Y's and One X

question 125

Multiple Choice

Part A is made from two Y's and one X. An order is received for 50 A's and there are 30 A's in stock.   What is the net requirement for X?

• A) 20
• B) 40
• C) 50
• D) 100

---

Definitions:

Genes

Units of heredity made up of DNA that influence the development and functions of an organism.

Homozygous

Referring to two genes of one pair that are exactly the same in every letter of their code. Most gene pairs are homozygous.

Heterozygous

Referring to two genes of one pair that differ in some way. Typically one allele has only a few base pairs that differ from the other member of the pair.

Chromosomes

The structures within cells that contain DNA and carry genetic information.