Test Questions with Graphic Organizers

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Grade 10 DNA, RNA, and Genetics

In humans, four blood types are possible (A, B, AB, and O). Those with A or B blood can be either homozygous dominant (AA, BB) or heterozygous (Ai, Bi). Type AB blood is considered a codominant condition, and type O blood lacks the A or B antigen (ii).

Which genotype is possible in the children of a man with type B blood and a woman with type A blood?

1. A or B only
2. AB only
3. AB or O
4. A, B, or O
5. A, B, AB, or O

Grade 12 DNA, RNA, and Genetics

One characteristic Mendel examined was pea pod shape. If a pea plant that is heterozygous for inflated pods (Ii) is crossed with one that is homozygous for constricted pods (ii), what are the possible genotypic and phenotypic ratios of the offspring?

1. The genotypic ratio would be 1 Ii : 1 ii. The phenotypic ratio would be 1 inflated : 1 constricted.
2. The genotypic ratio would be 1 II : 1 Ii : 2 ii. The phenotypic ratio would be 2 inflated : 2 constricted.
3. The genotypic ratio would be 3 Ii : 1 Ii. The phenotypic ratio would be 4 constricted : 0 inflated.
4. The genotypic ratio would be 1 II : 2 Ii : 1 ii. The phenotypic ratio would be 2 inflated : 2 constricted.

Grade 10 DNA, RNA, and Genetics

What is the probability of offspring being red in color in a cross between a homozygous dominant red parent and a homozygous recessive white parent?

1. 25%
2. 50%
3. 75%
4. 100%

Grade 10 DNA, RNA, and Genetics

Albinism is a condition that results when an organism does not produce the pigment melanin. The genotype for albinism is homozygous recessive (aa) and not sex-linked. Suppose an albino female rabbit mates with a normal male whose father was an albino. What is the genotype of the normal male rabbit?

1. aa
2. Aa
3. AA
4. cannot be determined

Grade 10 DNA, RNA, and Genetics

In fruit flies, one of the genes for eye color is found on the X chromosome (making it a sex-linked trait). The allele for red eyes is dominant over the allele for white eyes. Using the notation R, r, and O, what are the possible phenotypes of a cross between a heterozygous red female and a red-eyed male?

1. All offspring would have red eyes, regardless of sex.
2. The females would all have red eyes, and the males would have white eyes.
3. The females would all have red eyes, and the males would have either red or white eyes.
4. The males would have white eyes, and the females would have either red or white eyes.

Grade 12 DNA, RNA, and Genetics

In corn plants, having kernel color (c) is recessive to the gene that inhibits kernel color (C). Color appears when the homozygous condition is present. At a different locus, the dominant allele (P) results in purple kernels, whereas the recessive allele (p) results in red kernels, again when homozygous. If plants heterozygous for both loci are crossed, what will be the phenotypic ratio of the offspring?

1. 4 colorless : 10 purple : 2 red
2. 12 colorless : 3 purple : 1 red
3. 2 colorless : 2 purple : 12 red
4. 9 colorless : 5 purple : 2 red

Grade 10 DNA, RNA, and Genetics

If red is dominant to white, what is the expected phenotypic ratio of offspring in a cross between two parents who are heterozygous for this trait?

1. 1 red : 2 white : 1 pink
2. 2 red : 2 white
3. 4 red : 0 white
4. 3 red : 1 white

Grade 10 DNA, RNA, and Genetics

When red-flowered snapdragons are crossed with white-flowered snapdragons, the offspring all appear pink. This indicates that the alleles for flower color exhibit incomplete dominance. What flower colors in the offspring would be expected from a cross of two individuals with pink flowers?

1. All the offspring would have red flowers.
2. All the offspring would have pink flowers.
3. Some offspring would have red flowers, some white, and some pink.
4. The offspring would have only white or pink flowers.

Grade 10 DNA, RNA, and Genetics

A cross is performed, and the phenotypic ratio for the traits of the offspring is 9 dominant/dominant : 3 dominant/recessive : 3 recessive/dominant : 1 recessive/recessive. What can be determined about the genotype of the parents?

1. Both parents had an AABB genotype.
2. One parent was AABB, and the other was aabb.
3. One parent was AaBb, and the other was AABB.
4. Both parents had an AaBb genotype.

Grade 12 DNA, RNA, and Genetics

Tigers have a recessive allele that causes both a cross-eyed condition and an absence of pigmentation in their fur (resulting in white tigers). If two normal-appearing tigers that are heterozygous for both traits are mated, what percentage of the cross-eyed offspring would be white?

1. 100%
2. 25%
3. 50%
4. 75%

Grade 10 DNA, RNA, and Genetics

Guinea pigs have dark fur (D) or white fur (d). They also have a rough coat (R) or a smooth coat (r). If two guinea pigs that are heterozygous for both traits are crossed, what are the expected phenotypes of the offspring?

1. All the offspring will have dark fur and a rough coat.
2. All the offspring will have white fur and a smooth coat.
3. There will be a mixture of dark/rough, dark/smooth, white/rough, and white/smooth offspring.
4. There will only be dark/rough and white/smooth offspring.

Grade 12 DNA, RNA, and Genetics

Hank and Marci each have a sister who expresses sickle cell anemia. Neither Hank nor Marci nor any of their parents have the disease, and none of them have been tested to determine if they are carriers. What is the probability that a child of Hank and Marci will have sickle cell anemia?

1. 1/8
2. 1/9
3. 1/3
4. 1/2

Grade 12 DNA, RNA, and Genetics

Phenylketonuria (PKU) is an inherited disease that is recessive in origin. If a couple, who are both carriers, have three children, what is the probability that all three children are of normal phenotype?

1. 3/64
2. 5/64
3. 18/64
4. 27/64

Grade 12 DNA, RNA, and Genetics

If two parents both are carriers for phenylketonuria, what is the probability that one of their three children will have the disease?

1. 3/64
2. 27/64
3. 37/64
4. 16/64

Grade 12 DNA, RNA, and Genetics

Suppose there is a man heterozygous for brown hair (Bb), his wife is homozygous for blond hair (bb), and their neighbor is homozygous for brown hair (BB). The couple's baby has blond hair. Using your knowledge of heredity, can the baby be the neighbor's kid? Explain.

Grade 5 Energy and Momentum

In your own words, use the Venn diagram to describe what is potential energy and what is kinetic energy.

Label each side and in the middle write one thing that is the same about both.
You may even draw a picture to describe, but please label the picture.

Grade 3 Compare and Contrast CCSS: CCRA.R.3, RI.3.3

Using the Venn Diagram below, compare and contrast how a cookie and a doughnut are alike and different.

Grade 9 DNA, RNA, and Genetics

In guinea pigs, black fur (B) is dominant over white fur (b). Suppose one guinea pig has two genes for black fur (BB). Another guinea pig has one gene for black fur and one gene for white fur (Bb). What is the probability that an offspring will have black fur?

Continuing Education Study Skills and Strategies

The graphic organizer below, is used for what?

1. sequencing
2. cause and effect
3. compare and contrast

Continuing Education Study Skills and Strategies

The graphic organizer below, is used for what?

1. Cause and effect
2. Story Map
3. Sequence of events