342458
X-linked recessive trait shows transmission from
1 Carrier female to female progeny
2 Father to son
3 Carrier female to male progeny
4 Father to son and daughter
Explanation:
X-linked recessive trait shows transmission from Carrier female to male progeny.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342459
If mother is a carrier for colour blindness and father is normal, then in the offsprings this disease may be seen in
1 50 % sons and 50 % daughters (carriers)
2 All the sons and not in daughters
3 All the daughters
4 All the sons
Explanation:
If a normal female (carrier ) marries a normal male, the possibilities are: there is 50 % chance that they are carriers due to defective X chromosome of the mother. And there is 50% chance for the son to be colourblind. Therefore, the carrier mother is heterogametic for recessive colour blindness gene.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342460
If a man and a woman both having colour blind fathers marry, the percentage probability of their first daughter to be colour blind is:
1
2
3
4
Explanation:
0 percent as the father is normal and mother is a carrier.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342461
If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness?
1
2
3
4
Explanation:
XCXC - XCY – Parents genotype XCXC - XCXC - XCY - XCY – Generation 100% progeny will be colourblind.
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BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342458
X-linked recessive trait shows transmission from
1 Carrier female to female progeny
2 Father to son
3 Carrier female to male progeny
4 Father to son and daughter
Explanation:
X-linked recessive trait shows transmission from Carrier female to male progeny.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342459
If mother is a carrier for colour blindness and father is normal, then in the offsprings this disease may be seen in
1 50 % sons and 50 % daughters (carriers)
2 All the sons and not in daughters
3 All the daughters
4 All the sons
Explanation:
If a normal female (carrier ) marries a normal male, the possibilities are: there is 50 % chance that they are carriers due to defective X chromosome of the mother. And there is 50% chance for the son to be colourblind. Therefore, the carrier mother is heterogametic for recessive colour blindness gene.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342460
If a man and a woman both having colour blind fathers marry, the percentage probability of their first daughter to be colour blind is:
1
2
3
4
Explanation:
0 percent as the father is normal and mother is a carrier.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342461
If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness?
1
2
3
4
Explanation:
XCXC - XCY – Parents genotype XCXC - XCXC - XCY - XCY – Generation 100% progeny will be colourblind.
342458
X-linked recessive trait shows transmission from
1 Carrier female to female progeny
2 Father to son
3 Carrier female to male progeny
4 Father to son and daughter
Explanation:
X-linked recessive trait shows transmission from Carrier female to male progeny.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342459
If mother is a carrier for colour blindness and father is normal, then in the offsprings this disease may be seen in
1 50 % sons and 50 % daughters (carriers)
2 All the sons and not in daughters
3 All the daughters
4 All the sons
Explanation:
If a normal female (carrier ) marries a normal male, the possibilities are: there is 50 % chance that they are carriers due to defective X chromosome of the mother. And there is 50% chance for the son to be colourblind. Therefore, the carrier mother is heterogametic for recessive colour blindness gene.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342460
If a man and a woman both having colour blind fathers marry, the percentage probability of their first daughter to be colour blind is:
1
2
3
4
Explanation:
0 percent as the father is normal and mother is a carrier.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342461
If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness?
1
2
3
4
Explanation:
XCXC - XCY – Parents genotype XCXC - XCXC - XCY - XCY – Generation 100% progeny will be colourblind.
342458
X-linked recessive trait shows transmission from
1 Carrier female to female progeny
2 Father to son
3 Carrier female to male progeny
4 Father to son and daughter
Explanation:
X-linked recessive trait shows transmission from Carrier female to male progeny.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342459
If mother is a carrier for colour blindness and father is normal, then in the offsprings this disease may be seen in
1 50 % sons and 50 % daughters (carriers)
2 All the sons and not in daughters
3 All the daughters
4 All the sons
Explanation:
If a normal female (carrier ) marries a normal male, the possibilities are: there is 50 % chance that they are carriers due to defective X chromosome of the mother. And there is 50% chance for the son to be colourblind. Therefore, the carrier mother is heterogametic for recessive colour blindness gene.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342460
If a man and a woman both having colour blind fathers marry, the percentage probability of their first daughter to be colour blind is:
1
2
3
4
Explanation:
0 percent as the father is normal and mother is a carrier.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342461
If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness?
1
2
3
4
Explanation:
XCXC - XCY – Parents genotype XCXC - XCXC - XCY - XCY – Generation 100% progeny will be colourblind.
