Human Genome

How many PAIRS of sex chromosomes do humans have?

• 23
• 46
• 1
• 2

The X and Y chromosomes are called the

• extra chromosomes.
• phenotypes.
• sex chromosomes.
• All of the answers are correct.

Tags

NGSS.HS-LS3-1

Chromosome that is not a sex chromosome

• Chromosome
• Autosome
• Sex Chromosome
• Homologous pair

I have 2 X chromosomes. What am I?

• Male
• Female

I have 1 X chromosome and 1 Y chromosome. What am I?

• Male
• Female

The sex of an offspring is determined by

• the mother.
• the father.
• both parents.
• the offspring.

A chart or family tree that tracks which members of a family have a particular trait or disease.

• Carrier
• Karyotype
• Pedigree
• Genome

Tags

NGSS.HS-LS3-1

What is the purpose of using a pedigree?

• To determine the average age of a family 
• To find out family histories and medical records 
• To find out whether a couple can have a boy or a girl 
• To trace the inheritance of a certain trait through generations

What does a horizontal line between a square and a circle mean?

• They are siblings
• They are cousins
• They are married ("together")
• They are the children

What does a vertical line coming down from a square and circle that are connected by horizontal line indicate?

• They are cousins
• The children
• Aunts and Uncles