U7L1 Quiz - Eric Cale | Library

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Draggable item		Corresponding Item

3

Match the following terms & definitions!

Draggable item		Corresponding Item

2

What do we use a Punnett Square for?

To determine the probability of a single offspring inheriting certain genotypes

To predict exactly what an offspring will look like

To predict what multiple offspring will look like

To determine the probability that an offspring will acquire traits.

8.LS.3

2

Which letter would symbolize a recessive allele?

A

a

8.LS.3

2

In a Punnett Square, each inner square accounts for _________% probability.

0

25

100

50

8.LS.3

7

Complete the Punnett Square in the show your work box! Both parents have the "Bb" allele pair and have brown eyes. The "B" allele codes for brown eyes and the "b" allele codes for blue eyes.

What is the percent chance that an offspring from these two parents will have blue eyes?__________

What is the percent chance that an offspring from these two parents will have the "Bb" allele pair?__________

What is the percent chance that an offspring from these two parents will have brown eyes?__________

If this situation involves incomplete dominance, what would the eyes of an offspring with the heterozygous allele pair look like?__________

6

Complete the Punnett Square. One parent has the "BB" allele pair and has brown eyes. The other parent has the "bb" allele pair and has blue eyes. The "B" allele codes for brown eyes and the "b" allele codes for blue eyes.

What is the percent chance that an offspring from these two parents will have blue eyes?__________

What is the percent chance that an offspring from these two parents will have the "Bb" allele pair?__________

If this situation involves codominance, what would the eyes look like if the offspring has the heterozygous allele pair? __________

Draggable item		Corresponding Item
Genetic Variation		A trait that you got from your parents through your genes (heredity)
Trait		The passing on of genes from parent to offspring
Phenotype		Expressed by an allele. The different types of characteristics (blue eyes, brown eyes...red hair, blonde hair, etc)
Acquired Trait		An allele pair (rr, RR, Rr)
Heredity		The differences among members of a species.
Genotype		Expressed by a gene. Discusses the ways an organism can look (eye color, hair color, etc
Characteristic		A trait (white, red, pink)
Inherited Trait		A trait that you learned or "got" later in life.

Draggable item		Corresponding Item
Incomplete Dominance		A homozygous dominant allele pair
Codominance		A homozygous recessive allele pair
rr		When both alleles are present in the genotype, the dominant one takes over completely (red/white=red).
RR		When both alleles are present in the genotype, both show up separately in the phenotype (red/white=red and white stripes).
Complete Dominance		A heterozygous allele pair
Rr		When both alleles are present in the genotype, they mix/blend together in the phenotype.(red/white=pink)