*Unit 5 Part 4: Dihybrid Crosses and Blood Type

Question 1

Dihybrid Cross

Answer 1

A cross between individuals that involves 2 traits
(Ex. Pod color and plant height)

Question 2

What is the genotypic ratio of a dihybrid cross when the parent genotypes are HHGG and hhgg?

Answer 2

100% HhGg
16:0 HhGg

Question 3

In dihybrid crosses, to find gametes for each parent, use the _____ method.

Answer 3

FOIL

Question 4

What does FOIL stand for?

Answer 4

First. Outer, Inner, Last

Question 5

Multiple Alleles

Answer 5

Genes with more than 2 alleles that could code for a trait

Question 6

There are 3 or more possible alleles, but an individual can still only carry _____ alleles for each trait.

Answer 6

2

Question 7

In human blood types, there are three possible alleles. What are they?

Answer 7

A, B, O

Question 8

In human blood type, _____ and _____ are dominant over _____.

Answer 8

A; B; O

Question 9

In human blood type, A and B are _____ with one another.

Answer 9

codominant

Question 10

What are the four blood types?

Answer 10

A, B, O, AB

Question 11

Mother with type AB blood says that John Doe is the father of a baby with type AB. His blood is type O. Could he be the father?

Answer 11

No. The baby would have either type A or type B blood if he was.

Question 12

What blood type is the universal receiver?

Answer 12

AB-

Question 13

What blood type is the universal donor?

Answer 13

O-

Question 14

Type A red blood cells have _____ antibodies in plasma.

Answer 14

Anti-B

Question 15

Type B red blood cells have _____ antibodies in plasma.

Answer 15

Anti-A

Question 16

Type AB red blood cells have _____ antibodies in plasma.

Answer 16

no

Question 17

Type O red blood cells have _____ antibodies in plasma.

Answer 17

Anti-A and Anti-B

Question 18

Type A red blood cells have _____ antigens.

Answer 18

A

Question 19

Type AB red blood cells have _____ antigens.

Answer 19

A and B

Question 20

Type B red blood cells have _____ antigens.

Answer 20

B

Question 21

Type O red blood cells have _____ antigens.

Answer 21

no

Question 22

What is the most common blood type?

Answer 22

O-

Question 23

What is the most uncommon blood type?

Answer 23

AB-

Question 24

What determines if your blood is positive or negative?

Answer 24

Rh factor

Question 25

If your blood cells are positive than you _____ the Rh protein.

Answer 25

have

Question 26

If your blood cells are negative than you _____ the Rh protein.

Answer 26

lack