Exam 2: Heredity-And-Conception

A friend has asked you to describe the difference between "genotype" and "phenotype." Based upon the material in Chapter Two of the textbook, how would you describe the difference?

Match the following: -Meiosis

Match the following: -Conception

Maria and Michael have just been told that their newborn child has tested positive for PKU. What does this mean?

Match the following: -Genotype

The typical sex chromosome pattern for females is XY.

Of the following, the accurate statement is

With amniocentesis,

In DNA, the sides of the ladder consist of alternating segments of phosphate and

Which of the following individuals is MOST likely to have Tay-Sachs disease?

Elliot was born with a genetic disorder that is caused by a recessive gene. His symptoms are thick mucus that clogs his pancreas and lungs. He has many respiratory infections. Elliot most likely has

Each member of a pair of genes is referred to as a(n)

A normal human cell contains chromosomes organized into pairs.

"Heredity" means

Which of the following is TRUE regarding amniocentesis and CVS?

A girl who does not develop breasts or menstruate

Which of the following children (male or female) is LEAST likely to have Tay-Sachs disease?

It is estimated that the ratio of boys to girls in China is approximately 120 to 100. Why are there so many more boys than girls in China?

Match the following: -Down syndrome

Match the following: -Deoxyribonucleic acid (DNA)