Unit 3 Genetics and Heredity

The Central Dogma is based on what central idea?

• Base pairing rules of DNA and RNA.

• Replication, Transcription, Translation.

• Law of Independent Assortment

• Cell Theory

Tags

NGSS.HS-LS1-1

DNA Replication results in semiconservative DNA strands. What would you expect to see in the

• 2 new strands of DNA

• 1 new strand and 1 old strand of DNA

• 1 strand of DNA and 1 strand of RNA

• 2 old strands of DNA

What is the name of the process pictured and what is the overall result of this process?

• mutation, gene damaged

• Segregation, separation of homologous chromosomes

• replication, DNA copied

• crossing over, increased genetic variation

Tags

NGSS.HS-LS3-2

Meiosis best demonstrates which laws that Mendel discovered?

• Law of Segregation

• Cell Theory

• Law of Dominance

• Law of Independent Assortment

What structural feature of mRNA allows it to assist with expressing genetic information?

• RNA has U instead of T like DNA

• RNA has the sugar ribose and DNA has deoxyribose

• RNA polymerase unwinds DNA strands

• RNA nucleotides in groups of 3 correspond to an amino acid

Which mRNA strand would correspond to the DNA strand: T A G A G T C

• ATUTUAG

• CAAGACT

• AUCUCAG

• ATCTCAG

Sadie is the oldest of six siblings. All of her brothers and sisters are related, but they all look different from each other and their parents. What evidence would support the claim that the genetic variation among Sadie's siblings is from new combinations of genetic material?

• crossing over during meiosis

• solar radiation

• segregation of chromosomes

• insertion mutation

Tags

NGSS.HS-LS3-2

Cystic fibrosis is an example of a genetic disease caused by the deletion of a nucleotide. What is the term for this type of mutation?

• translocation

• chromosomal

• substitution

• frameshift

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NGSS.HS-LS3-2

Organisms like coral and fungi can reproduce both asexually or sexually. Zane claims that these organisms have an advantage over organisms that can only reproduce sexually. What habitat characteristics would be most advantageous for these types of organisms?

• a slowly changing environment with many mates

• a slowly changing environment with few mates

• a rapidly changing environment with many mates

• a rapidly changing environment with a lack of mates

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-5

Two parents have the genotype Gg for a genetic disorder caused by a dominant allele. What is the chance that any of their children will inherit the disorder?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1