Log in
Sign up for FREE
arrow_back
Library

Intro to Genetics Pre-Test

star
star
star
star
star
Last updated almost 4 years ago
48 questions
Note from the author:
This is a quiz to see how much you remember about genetics! The objective of this test is to help me see what you can remember from previous genetics instruction. Please DO NOT research answers. I need to know what you currently know, not what you can google.
Your score will not count against you. You will not see if your answers are correct until after everyone has finished taking the pre-test, even after you submit. Thanks and give it your best try!
This is a quiz to see how much you remember about genetics! The objective of this test is to help me see what you can remember from previous genetics instruction. Please DO NOT research answers. I need to know what you currently know, not what you can google.
Your score will not count against you. You will not see if your answers are correct until after everyone has finished taking the pre-test, even after you submit. Thanks and give it your best try!
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.

Which of the following supports the claim that the environment can affect genetic traits?

Question 2
2.

Variation in human skin color is an example of

Question 3
3.

In rabbits, there are four different versions of the gene for fur color. What pattern of inheritance is this?

Question 4
4.

Situations in which one allele for a gene is not completely dominant over another allele for that gene are called

Question 5
5.

A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be

Question 6
6.

Organisms that have two identical alleles for a particular trait are said to be

Question 7
7.

A heterozygous tall pea plant is crossed with a short plant. The probability that an F1 plant will be tall is

Question 8
8.

If a pea plant's alleles for height are "tt", what is true of its parents?

Question 9
9.

When Gregor Mendel crossed a tall pea plant with a short pea plant, the F1 pea plants inherited

Question 10
10.

The different forms of a gene are called

Question 11
11.

Which of the following traits is controlled by multiple alleles in humans?

Question 12
12.

Tall (T) is dominant to short (t) in pea plants. Which of the following represents a genotype of a pea plant that is heterozygous for height?

Question 13
13.

An individual heterozygous for a trait and an individual homozygous recessive for the trait are crossed and produce offspring that are about 50/50 mix of

Question 14
14.

The phenotype of an organism

Question 15
15.

The scientific study of heredity is called

Question 16
16.

The passing of traits from parents to offspring is called

Question 17
17.

Genetics is the branch of biology that involves the study of how different traits are transmitted from one generation to the next.

Question 18
18.

Mendel discovered predictable patterns in the inheritance of traits.

Question 19
19.

Mendel's initial experiments were monohybrid crosses.

Question 20
20.

In Mendel's experiments, the recessive traits appeared in the F2 generation in approximately 25 percent of the plants.

Question 21
21.

A dominant allele masks the effect of a recessive allele.

Question 22
22.

Individuals must display a trait in order for it to appear in their offspring.

Question 23
23.

The allele for a recessive trait is usually represented by a capital letter.

Question 24
24.

Heterozygous individuals have two of the same alleles for a particular gene.

Question 25
25.

In heterozygous individuals, only the recessive allele is expressed.

Question 26
26.

A Punnett square represents the phenotype of an organism.

Question 27
27.

In codominance, two dominant alleles are expressed at the same time.

Question 28
28.

All genes have only two alleles.

Question 29
29.

A trait is a specific characteristic that can vary from one individual to another.

Question 30
30.

A trait in an unidentified plant is controlled by one gene that has two alleles. One allele is dominant over the other. According to Mendel’s principles, one fourth of the offspring made from a cross between two heterozygous plants will show the recessive trait.

Question 31
31.

For the trait of blood type in humans, there is an allele for Type A, an allele for Type B, and an allele for Type O. Each person inherits one of these alleles from each of their parents, and their blood type is determined by what combination of these alleles they receive. Blood type is inherited as a polygenic trait.

Question 32
32.
In humans, the dimples allele is dominant and the non-dimples allele is recessive. A person who is homozygous recessive would create gametes that contain __________.
Question 33
33.
In humans, the dimples allele is dominant and the non-dimples allele is recessive. A person who is heterozygous would create gametes that contain __________.
Question 34
34.
A dihybrid cross can be done by drawing a punnett square containing __________ boxes.
Question 35
35.
A monohybrid cross can be done by drawing a punnett square containing __________ boxes.
Question 36
36.
A genetic cross that involves two characteristics is called a __________.
Question 37
37.
A genetic cross that involves only one characteristic is called a __________.
Question 38
38.
A table used to figure out the theoretical results of a genetic cross is called __________.
Question 39
39.

When writing a heterzygous genotype, you must

Question 40
40.
When choosing letters for the alleles in a monohybrid cross, you must choose a __________ for the recessive allele.
Question 41
41.

An organism's phenotype is the

Question 42
42.

Mendel chose pea plants because

Question 43
43.

What is the term used to describe an individual when two different alleles are present (a hybrid)?

Question 44
44.

What is the term used to describe an individual when two identical alleles are present (a purebreed)?

Question 45
45.

The "weaker" of two alleles, only expressed if two alleles are present:

Question 46
46.

The "stronger" of two alleles; it will get expressed even if only one allele is present:

Question 47
47.

Which of the following statements are true?

Question 48
48.

This man is referred to as the "Father of genetics":