#Question id: 4791
#Unit 8. Inheritance Biology
Body color in mice, YY is a recessive lethal, Yy yellow, yy gray and hair type straight is dominant over fuzzy. A geneticist crosses two yellow mice with heterozygous straight hair. Which the observe ratio is of obtains following progeny?
#Question id: 4792
#Unit 8. Inheritance Biology
A number of all-white cats are crossed and they produce the following types of progeny: 12/16 all-white, 3/16 black and 1/16 gray. If the genotype black progeny is A_bb. Which of the following statement are correct?
a. Epistatic genes is recessive.
b. Epistatic gene is dominant
c. A gene is dominant epistatic
d. B gene is dominant epistatic
e. aa gene is recessive epistatic
f. bb gene is recessive epistatic
#Question id: 4793
#Unit 8. Inheritance Biology
Hypophosphatemia is caused by an X-linked dominant gene in humans. Normal man marries with Hypophosphatemia woman whose father is normal. What will be observation in their child is correct?
a. All daughters affected b. half of their daughters affected
c. All sons affected d. half of their son’s affected
#Question id: 4794
#Unit 8. Inheritance Biology
Following statement given for a character
A- Characteristics are determined by autosomal genes
B- Inherited according to Mendel’s principles
C-they are different expressivity in males and females
Which of the following having above statements feature?
#Question id: 4795
#Unit 8. Inheritance Biology
There is Gene A is normal growth while mutant allele a was shown to small size. A allele dominant over a allele.
|
Condition |
Male Parent genotype |
Female parent genotype |
Offspring Phenotype |
|
Maternal imprinting |
AA |
aa |
i |
|
Paternal Imprinting |
AA |
aa |
ii |
|
Genetic Maternal effect |
AA |
aa |
iii |
|
No Genomic Imprinting |
AA |
aa |
iv |
#Question id: 4796
#Unit 8. Inheritance Biology
Trait is encoded by genes that are expressed in only one sex . In domestic chickens, display a feather pattern in male and female
Genotype Male phenotype Female phenotype
HH hen feathering hen feathering
Hh hen feathering hen feathering
hh cock feathering (plumage pattern ) hen feathering
If cross between Hh and Hh. what is probability of their progeny with cock feathering