Genetics Part 2 Practice

A nucleotide does NOT contain

• sugar

• polymerase

• nitrogen base

• phosphate group

Which of the following nucleotides bonds with uracil?

• guanine

• cytosine

• thymine

• adenine

The process by which the genetic code of DNA is copied into a strand of mRNA is called:

• translation

• transformation

• transcription

• replication

A group of 3 letters representing an amino acid is called:

• nucleotide

• ribosome

• codon

• anticodon

A set of identical chromosomes are known as what?

• Chromosomes

• Heterologous Pairs

• Homozygous pairs

• Homologous Pairs

How many Chromosomes do we inherit from our parents?

• 23 from dad and 23 from mom, or 46 total

• 13 from dad and 13 from mom, or 26 total

• 13 from dad and 33 from mom, or 46 total

What are chromosomes?

• They are thread like structures containing DNA found inside the nucleus of our cells

• They are X shaped blobs made of ribosomes

• They are the inherited traits we recieve from our parents

• They are types of alleles found in the mitochondria of a cell

What is a gene?

• An entire chromosome.

• A small part of DNA found in a chromosome that gives our body instructions to build for a specific trait that we have

• Things that are sometimes refered to as XX and XY inside of our cell membranes

• Kind of like a "flavor" because there are 23 kinds from each parent.

Which trait will not likely be influenced by the environment?

• Height

• Ability to play basketball

• How good we are at math

• Our Eye Color

Our DNA is made up of about _______ bases

• 3 billion

• 3 million

• 60

• 50-200