Mendelian Genetics II

Question 1

Generated a unique F2 ratio.

Answer 1

Mendel’s dihybrid cross

Question 2

Such a cross, involving two pairs of contrasting traits.

Answer 2

Mendel’s dihybrid cross or two-factor cross

Question 3

will all be yellow and round.

Answer 3

F1 offspring

Question 4

Mendel proposed a fourth postulate called?

Answer 4

Independent assortment

Question 5

During gamete formation, segregating pairs of unit factors assort independently of each other.

Answer 5

Independent Assortment

Question 6

This postulate stipulates that segregation of any pair of unit factors occurs independently of all others.

Answer 6

Independent Assortment

Question 7

All possible combinations of gametes are formed in equal frequency.

Answer 7

Independent Assortnment

Question 8

The testcross can also be applied to individuals that express two dominant traits but whose genotypes are unknown.

Answer 8

Independent Assortment

Question 9

Demonstrates that Mendel’s principles apply to Inheritance of multiple traits.

Answer 9

Trihybrid cross

Question 10

three pairs of contrasting traits, three-factor cross.

Answer 10

Trihybrid cross or three-factor cross

Question 11

When F1 individuals serve as parents, each produces eight different gametes in equal frequencies.

Answer 11

Trihybrid cross

Question 12

Reveal patterns of inheritance of human traits.

Answer 12

Pedigree

Question 13

The traditional way to study inheritance has been to construct a family tree, indicating the presence or absence of the trait in question for each member of each generation.

Answer 13

Pedigree

Question 14

Such a family tree is called?

Answer 14

Pedigree

Question 15

We may be able to predict how the trait under study is inherited — for example, is it due to a dominant or recessive allele?

Answer 15

Pedigree

Question 16

Forked-Line Method or Branch Diagram.

Answer 16

Pedigree