Sex Chromosomes and Sex Linked Traits

What term best fits what is represented in this image?

• Chromosomes

• Genetics

• Karyotype

• Autosomes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following best defines an autosome?

• A chromosome that does things automatically

• A chromosome that is least common in a human set of chromosomes

• A non-sex chromosome

• A sex-determining chromosome

The reason why sex chromosomes have they name they do is because they

• Are not autosomes

• Are unique in how they look

• Are not able to be paired with any other chromosomes

• Determine the sex for the organism

An allele is

• A version of a gene

• Another word for a gene

• Always different on homologous chromosomes

• Another word for flavour

Tags

NGSS.HS-LS3-2

Which of the following is TRUE?

• Sex chromosomes determine gender

• Males have XY; Females have XX

• non-sex chromosomes are called autosomes

• all of these

Select those that are TRUE of Homologous Chromosome Pairs:

• Each pair is made of one maternal and one paternal chromosome

• they are the same size and shape

• they must have the EXACT same genes (both have blue-eye gene)

• Humans have 46 homologous pairs of chromosomes

If this couple has a child, what are the odds that a SON will be colorblind (hint: has a little "c")?

• 50%
• 25%
• 100%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Hemophilia is recessive diseases carried on the X chromosome. Can a male be a carrier of the disease?

• Yes
• No
• Maybe

Tags

NGSS.HS-LS3-1

How many autosomes are there in a human sperm?

• 1
• 22
• 23
• 46

Tags

NGSS.HS-LS3-2

Chromosomes that have the same sequence of genes and the same structure are ___________.

• homologous chromosomes

• alleles

• phenotypes

• genotypes