Unit 6 Genetics

In a pedigree chart, a male is represented by a

• circle

• square

• rhombus

• triangle

The following pedigree chart shows _______ females and ______ males that DO NOT have the trait.

• 7, 3

• 4, 4

• 3, 2

• 3, 3

• 57, 93.5

What is NOT a possible genotype for someone with type B blood?

• I^BI^B
• I^AI^B
• I^B i

In the image above, what is the percentage of the offspring has the possibility of inheriting blood type O?

• 0%

• 25%

• 50%

• 100%

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

• Incomplete Dominance
• Co dominance
• Independent assortment
• Recessive inheritance

This type of inheritance pattern is a MIXTURE of both traits.

• incomplete dominance
• co-dominance
• complete dominance
• recessive pattern

Snap dragon color is a incomplete dominant trait.  A red flower (RR) is crossed with white flower (rr)? What color are flowers that are Rr?

• Red
• Red and White
• White
• Pink

The different forms of a gene are called ---

• traits

• hybrids

• alleles

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. What percentage of the offspring will be grey?

• 25

• 50

• 75

• 100

Codominance occurs in calico cats, which allows for the Black and Tan colors to show. What percentage of the offspring represented in this P square will be calico (black and tan spotted)?

• 25%

• 50%

• 75%

• 100%