Heredity Topic Quiz

What happens after DNA is unzipped?

• mRNA forms along the exposed DNA bases

• A chromosome with 2 identical strands of DNA is formed

• Nitrogen bases pair up with DNA strands

• ribosomes attach to DNA and move along the strand

What might happen if a DNA gets copied wrong?

• incorrect protein made

• extra amino acid

• different type of protein created

• an amino acid missing

What is a use for DNA fingerprinting?

• test to confirm that a calf was fathered by a specific bull

• produce a bull with identical DNA

• produce a very small but healthy breed of cow

• remove a gene to develop cows with no horns

Which of the following represents a heterozygous genotype?

• AA

• aa

• Aa

• none

Which of the following represents a homozygous genotype

• BB

• Bb

• bb

• none

What is the end of product of meisos?

• 2 identical daughter cells

• 4 identical daughter cells

• 4 daughter cells

• 2 daughter cells

If an American black bear has 37 chromosomes in their sex cells, how many are in their body cells?

• 14

• 14.5

• 37

• 74

Who is the father of genetics?

• Smith

• Newton

• Mendel

• Einstien

The process that sex cells are formed?

• mitosis

• meiosis

A tool that geneticists use to map inheritance of a particular triat.

• pedigree

• paper

• DNA fingerprinting

• cloning