Genetics/Heredity

Question 1

What are the sections of DNA that cause traits called?

Answer 1

genes

Question 2

What structures are the genes located in?

Answer 2

Chromosomes

Question 3

Everyone is born with two different versions of each gene, one from your mother and one from your father. What are those versions called?

Answer 3

Alleles

Question 4

Alleles can be either _______ which means they are expressed, and ________, which means they are only expressed if both alleles match

Answer 4

dominant = expressed
recessive = expressed only if both alleles are recessive

Question 5

Your phenotype is all of your _______ traits

Answer 5

expressed

Question 6

What is your genotype?

Answer 6

All of your genes, regardless of whether or not they are expressed

Question 7

Who is the “Father of Genetics”?

Answer 7

Gregor Mendel

Question 8

Mendel has a type of genetic trait named after him, the Mendelian trait. What kind of trait is that?

Answer 8

A trait caused by 1 gene (1 gene, 1 trait)

Question 9

What is a polygenic trait?

Answer 9

Many genes for 1 trait

Question 10

What is a pleiotropic trait?

Answer 10

1 gene for many traits

Question 11

What is the tool we use to predict the probability of certain genetic traits of a child by looking at their parents’ genotypes?

Answer 11

A Punnett Square