Unit 11 - Genetics Homework

Question 1

Mendel’s Law of Independent Assortment states that:

Answer 1

alleles for different genes act independently during gamete production

Question 2

In a monohybrid test-cross with simple dominance, the F2 generation is expected to:

Answer 2

express both dominant and recessive traits in a 3:1 ratio

Question 3

The inactivation of one of the X chromosomes forms a structure known as a(n):

Answer 3

Barr Body

Question 4

In the human blood type AB, the alleles are:

Answer 4

co-dominant

Question 5

Mendel’s Law of Segregation states that:

Answer 5

the two alleles for a gene separate from each other during gamete production

Question 6

The pairs of chromosomes that are not involved in sex determination are known as:

Answer 6

autosomes

Question 7

A man who carries a dominant X-linked trait will pass this trait on to:

Answer 7

all of his daughters

Question 8

In a monohybrid test-cross involving simple dominance, the F1 generation is expected to:

Answer 8

express both dominant and recessive traits in a 1:1 ratio

Question 9

In a monohybrid test-cross involving incomplete dominance, the F2 generation is expected to:

Answer 9

express both dominant and recessive traits in a 1:2:1 ratio

Question 10

Features that exhibit continuous quantitative variation are often the result of:

Answer 10

polygenic inheritance