Biology, 18.08.2019 15:20 elizebeth4501
Atest cross with an organism with a homozygous recessive genotype
results in 50% of the offspring exhibiting the recessive trait.
what is the genotype of the test-cross
parent?
i. homozygous recessive
ii. homozygous dominant
iii. heterozygous
a. i only
b. ii only
c. iii only
d. i or iii
e. ii or iii
Answers: 1
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Nhumans, abo blood types refer to glycoproteins in the membranes of red blood cells. there are three alleles for this autosomal gene: ia, ib, and i. the ia allele codes for the a glycoprotein, the ib allele codes for the b glycoprotein, and the i allele doesn't code for any membrane glycoprotein. ia and ib are codominant, and i is recessive to both ia and ib. people with type a blood have the genotypes iaia or iai, people with type b blood are ibib or ibi, people with type ab blood are iaib, and people with type o blood are ii. if a woman with type ab blood marries a man with type o blood, which of the following blood types could their children possibly have? in humans, abo blood types refer to glycoproteins in the membranes of red blood cells. there are three alleles for this autosomal gene: ia, ib, and i. the ia allele codes for the a glycoprotein, the ib allele codes for the b glycoprotein, and the i allele doesn't code for any membrane glycoprotein. ia and ib are codominant, and i is recessive to both ia and ib. people with type a blood have the genotypes iaia or iai, people with type b blood are ibib or ibi, people with type ab blood are iaib, and people with type o blood are ii. if a woman with type ab blood marries a man with type o blood, which of the following blood types could their children possibly have? a, b, ab, and o ab and o a, b, and o a and b
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Atest cross with an organism with a homozygous recessive genotype
results in 50% of the offspr...
results in 50% of the offspr...
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