Genetice Study Guide

RNA contains the sugar

• ribosome

• glucose

• ribose

• lactose

How many TOTAL chromosomes does a normal human karyotype have?

• 23

• 46

• 44

• 2

The image shows the structure of a(n)

• RNA molecule

• DNA molecule

• amino acid chain

• protein

Which type(s) of RNA are involved in protein synthesis?

• tRNA

• mRNA

• mRNA, tRNA & rRNA

• rRNA

How many codons are needed to specify 5 amino acids?

• 3

• 15

• 5

• 10

Which RNA carries amino acids?

• rRNA

• tRNA

• mRNA

• RNA Polymerase

Meiosis results in the formation of

• 4 identical haploid cells

• 2 identical diploid cells

• 4 different haploid cells

• 2 differnt diploid cells

Gametes, or sex cells, are produced by the process of

• replication

• transcription

• meiosis

• translation

Which genetic disorder is part of the Unit 3 phenomenon?

• Down Syndrome

• Biracial Twins

• Albinism

• Sickle Cell Anemia

Chromosomes form tetrads during which step of meiosis?

• prophase I

• metaphase II

• prophase II

• metaphase I