Biology/ genotype question??

Question

How many unique gametes could be produced through independent assortment by an individual with the genotype AaBbCCDdEE?

dont get this! please help! thank you!

Answer 1

Gametes have one of each gene in them.  The genotype provided can only produce dominant alleles for C and E, but for A, B, and D, they can produce dominant or recessive.  So, the possible combinations for gametes are:

ABCDE

ABCdE

AbCDE

AbCdE

aBCDE

aBCdE

abCDE

abCdE

The easiest way to do this is to take each gene and multiply how many different alleles there are together.  So, There are 2 possibilities for gene A, 2 for gene B, 1 for gene C, 2 for gene D, and 1 for gene E.

2x2x1x2x1 = 8

Answer 2

You have

2 types of A

2 types of B

1 of C

2 of D

1 E

when you are ask the total number of possible types just multiply them out

2*2*1*2*1=8

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