pedigree charts

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4

How many daughters did the mother and father from the first generation have?

• 2

• 4

• 5

• 6

Tags

NGSS.HS-LS3-1

How many males are carriers?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Is this pedigree dominant, recessive, or sex-linked recessive?

• Dominant

• Recessive

• Sex-Linked Recessive

What is the genotype of the mother? Hint Draw a punnett square

• BB

• bb

• Bb

• BB or Bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

 Look at the Punnett square. If the two parents represented in the Punnett square have four offspring, what does the Punnett square tells you?

• two of the offspring will definitely be heterozygous.  
• one of the offspring will definitely show the recessive trait.
• there is a 50% chance for each of the 4 offspring to have the genotype Rr.
• there is a greater chance for the offspring to be RR than rr.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Match the following

• chromosomes 23

• sex chromosomes

• chromosomes 1-22

• codominance

• when the traits make something new

• autosomal

• a tool used to trace family traits

• incomplete dominance

• the offspring is a combination of both

• pedigree chart

Which two chromosomes would a female have

• x

• x

• y

• H

Tags

NGSS.HS-LS3-1

What would the genotype be for a male?

• XX

• YY

• XY

• Hh

Tags

NGSS.HS-LS3-1

If a disease is carried on either the X or Y chromosomes it is a .........

• autosomal disorder

• heterozygous disorder

• only passed down from mom

• sex linked disorder