Question

A female mouse that is heterozygous for fur color where dark fur is dominant to light fur and homozygous dominant for long-tail length is mated with a male that is heterozygous for both traits. How many genotypes will be represented in the F1 generation?

	A.	4
	B.	6
	C.	8
	D.	12
	E.	16

Answer 1

​ANSWER = 8

EXPLAINATION

SUPPOSE

colour gene is A and allele are A and a  

Phenotype = Dark genotype= Aa or AA

Phenotype = light genotype = aa

Tail gene is L and alleles are L and l

Phenotype = long genotype = LL or Ll

Phenotype = tail genotype = ll

Female. x Male

Genotype. AaLL. AaLl

Phenotype. Dark fur long tail. Dark fur long tail

Gamete. AL , aL AL, Al , aL,al

		MALE
	GAMETES	AL	Al	aL	al
FEMALE	AL	AALL( DARK FURLONG)	AALl (DARK FUR LONG TAIL)	AaLL (DARK FUR LONG TAIL)	AaLl (DARK FUR LONG TAIL)
	aL	AaLL (DARK FUR LONG TAIL)	AaLl (DARK FUR LONG TAIL)	aaLL (LIGHT FUR LONG TAIL)	aaLl (LIGHT FUR LONG TAIL)

TOTAL 8 GENOTYPE ( HIGHLETED IN TABLE)