different kinds of progeny could potenti each of the four crosses? a. Aa Bb Cc D
ID: 309249 • Letter: D
Question
different kinds of progeny could potenti each of the four crosses? a. Aa Bb Cc Dd X aa bb cc dd c. Aa Bb Cc Dd X Aa Bb Cc Dd aa 17. A mouse sperm of genotype a BCD a b c D e. hat are all the the genotypes of (a) the zygote and b of the baby mouse that develops from 18. Galactosemia is a recessive human dis able by restricting lactose and glucose Smithers and her husband are both h the galactosemia gene. twins. If a. Susan is pregnant with (nonidentical) twins, what is the l of the twins will be girls who have b. If the twins are identical, what is the both will be girls and have galactoExplanation / Answer
QUESTION 16
What is the probability of producing a child that will phenotypically resemble either one of the two patents in the following four crosses? How many phenotypically different kinds of progeny could potentially reach each of the four crosses?
A-d is pictured please explain how you crosssed each one (genetics)
Number of gametes=2^n
N=number of heterozygous locus
CROSS A
A )Aa Bb Cc Dd x aabbccdd
Aa Bb Cc Dd
abcd
2^n =2^4=
One type gamete
Hence there possibility of 16 types of offsprings
16 TYPES OF GAMETES
1
CROSS B
B ) aa bb cc dd x AABBCCDD
AA BB CC DD
abcd
One type gamete
One type gamete
Hence there possibility of ONE types of offspring
CROSS C
C ) Aa Bb Cc Dd x Aa Bb Cc Dd
Aa Bb Cc Dd
Aa Bb Cc Dd
2^4 =16
Types of gamete
16 type gamete
Hence there possibility of 256 types of offspring
CROSS d
d ) aa bb cc dd x aabbccdd
abcd
abcd
One type gamete
One type gamete
Hence there possibility of ONE types of offspring
Aa Bb Cc Dd
abcd
2^n =2^4=
One type gamete
Hence there possibility of 16 types of offsprings
16 TYPES OF GAMETES
1
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