Genetics (TCi lesson 9 and 8)

Multiple Choice

A __________________ is a type of molecule that makes up much of an organism’s structure and helps it function.

• Gene

• DNA

• Mutation

• Protein

Multiple Choice

Traits are passed from parents to offspring through genes in ______

• RNA

• DNA

• SNA

• VNA

Multiple Choice

A _______________ is a segment of DNA that contains information for the building of a product.

• Cancer

• Mutation

• Gene

• Product

Match

Match the following vocabulary terms and definitions:

• characteristics that are passed from parent to offspring

• strands of genetic material that store hereditary information

• segments of DNA that code for a specific trait

• DNA that is tightly coiled around proteins

traits

DNA

genes

chromosomes

• traits

• DNA

• genes

• chromosomes

Multiple Choice

An organism's _______________ are determined by the kinds of proteins that its genes cause it to build. (Choose the best answer)

• Traits

• Behaviors

• Sleep patterns

• Habits

Multiple Choice

What are the different variations of a gene ?

• mutation

• genotype

• phenotype

• allele

Multiple Choice

When a cell divides, DNA strands coil around proteins to form ...

• chromatin

• chromosomes

Multiple Choice

Which set of chromosomes represents a male?

• XX

• XY

Multiple Choice

Which set of chromosomes represents a female?

• XX

• XY

Multiple Choice

How many total chromosomes do human cells contain?

• 23

• 46

Multiple Choice

The egg cell of a koala contain 12 chromosomes. How many chromosomes does a normal cell contain?

• 6

• 12

• 24

• 36

Multiple Choice

Asexual reproduction has

• 1 parent

• 2 parents

Dropdown

In a broad sense, the term "genotype" refers to the ​

Select answer

of an organism; in other words, it describes an organism's ​

Select answer

. In a more narrow sense, the term can be used to refer to the ​

Select answer

, or variant forms of a ​

Select answer

, that are carried by an organism.

Multiple Choice

Compared to the amount in a normal human cell, a sperm cell will have

• the same amount of chromsomes

• twice the amount of chromosomes

• half the amount of chromosomes

• one fourth the amount of chromosomes

Multiple Choice

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous
• DNA

Multiple Choice

In this punnett square, which is the dominant trait?
The B stands for bud.

• purple flower bud
• white flower bud
• dominant
• recessive