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LS: Genetics & Inheritance Vocab

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

What is heredity?

a)

the process of meiosis

b)

traits begin passed on from the offspring to the parent

c)

traits being passed on from the parent to the offspring

d)

traits being passed on from one sibling to another

2.

What does the term "dominant" mean in genetics?

a)

a gene in an organism that is hidden because of the dominant trait

b)

any gene in an organism

c)

an organism with lots of genes

d)

a gene in an organism that overpowers the other ones

3.

What does recessive mean?

a)

a gene in an organism that is present but is hidden because of the dominant gene

b)

a gene in an organism that overpowers the other ones

c)

a gene in only animals (no other organisms) that is present but is hidden because of the dominant gene

d)

any type of gene in an organism

4.

What does the term "purebred" mean in genetics?

a)

an organism whose alleles/genes are not the same for a trait

b)

an organism whose alleles/genes are the same (identical) for a trait

c)

an organism who has alleles

d)

a non-living thing whose alleles/genes are the same (identical) for a trait

5.

What does the term "hybrid" mean in genetics?

a)

an organism with more than 100 alleles

b)

an organism whose alleles/genes are the same (identical) for a trait

c)

an organism who has alleles

d)

an organism whose alleles/genes are not the same (not identical) for a trait

6.

What is an allele?

a)

the same forms of a gene responsible for hereditary variation

b)

different forms of a gene, that are NOT responsible for hereditary variation

c)

different forms of a gene responsible for hereditary variation

d)

the same forms of a gene, that are NOT responsible for hereditary variation

7.

Homozygous means ________.

a)

having no genes

b)

having non-identical pairs of genes for any pair of hereditary characteristics, ex: Yy, yY

c)

having pairs of genes

d)

having identical pairs of genes for any pair of hereditary characteristics, ex: YY, yy

8.

Heterozygous means ________.

a)

having non-identical pairs, not the same, genes for any pair of hereditary characteristics, ex: Yy, yY

b)

having identical pairs, the same, genes for any pair of hereditary characteristics, ex: YY, yy

c)

having genes

d)

having special genes that are called hetero

9.

What is a genotype?

a)

the invisible traits of an organism

b)

the phenotype

c)

the genetic makeup of an organism, the pair of alleles

d)

the visible traits of an organism

10.

Any visible traits based on the interaction of traits/environmental influences is a ________.

a)

phenotype

b)

trait type

c)

genotype

d)

invisible trait

11.

When 2 different alleles of a gene pair are fully expressed in a heterozygous individual is considered a _______.

a)

incomplete dominance

b)

codominance

c)

genotype

d)

phenotype

12.

When one allele is not fully dominant over the other allele, resulting in a trait that is intermediate between either of the traits phenotypes in a heterozygous organism is a(n) ______.

a)

codominance

b)

phenotype

c)

genotype

d)

incomplete dominance

13.

An individual that possesses or carries a masked recessive trait is a ______.

a)

borrower

b)

carrier

c)

dominant animal

d)

recessive organism

14.

The principle stating that in gamete production, the 2 copies of each hereditary factor segregate so the offspring receives one factor from each parent is the ________.

a)

Law of Seperation

b)

Law of Independent Assortment

c)

Law of Segregation

d)

Law of the Punnett Square

15.

The principle stating that when two or more characteristics are inherited, individual hereditary factors assort independently during gamete production, giving different traits an equal opportunity of occurring together is the _______.

a)

Law of Segregation

b)

Law of Shared Assortment

c)

Law of Independent Assortment

d)

Law of Separation

16.

In genetics, a square diagram or grid used to show the gametes of each parent and their possible offspring, or all of the possible outcomes of a genetic cross is a ______.

a)

Punnet Rectangle

b)

Ponet Square

c)

Punnett Table

d)

Punnett Square

17.

What is a pedigree?

a)

the record or list of the descent of an organism, most likely of a purebred animal

b)

the record or list of the descent of a hybrid animal

c)

the descent of only non-living things

d)

a record or list of anything

18.

The influence or affect the environment has on an organism during a given time is the ______.

a)

artificial influence

b)

animal influence

c)

environmental influence

d)

climate influence