7.1- Chromosomes and phenotype

Term that describes two of the same alleles.

• Heterozygous

• Homozygous

• Zygous

• Sameozygous

Term that describes two different alleles

• Homozygous

• Heterozygous

• Differentzygous

• Zygous

What types of gene traits was Mendel focused on?

• Autosomal gene traits

• Sex chromosome gene traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Most of the traits that make you who you are come from the sex chromosomes.

• True

• False

Tags

NGSS.HS-LS3-1

What are autosomes?

• Chromosomes that carry information not related to sex

• Chromosomes 1-22

• The sex chromosomes

• Chromosomes that determine gender

Most human genetic disorders are caused by genes on sex chromosomes.

• True

• False

Tags

NGSS.HS-LS3-2

Which of the following is true about a carrier?

• They have the disorder

• They can pass the disorder on to offspring

• They show symptoms of the disorder

• They do not have the disorder

Most genetic disorders are caused by __________.

• Autosomal recessive disorders

• Autosomal dominant disorders

Tags

NGSS.HS-LS3-2

What does the genotype look like for someone who is a carrier?

• CC

• Cc

• cc

• CCC

Tags

NGSS.HS-LS3-2

What is the probability of two cystic fibrosis carriers having a child with cystic fibrosis? (Hint, it's an autosomal recessive disorder)

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-3