Multiple Choice
A testcross is used to ____.
A) determine if a parent with a dominant trait is heterozygous or homozygous
B) determine which allele is dominant
C) determine if the progeny of an experimental cross will have a random assortment of alleles
D) prove an organism is double recessive
E) cross an individual with a dominant phenotype with a homozygous dominant individual to prove the alleles are dominant
Correct Answer:
Verified
Correct Answer:
Verified
Q29: A couple are both heterozygous for the
Q30: The ability of an individual heterozygous for
Q31: Two snapdragons heterozygous for alleles that encode
Q32: Your mother has albinism, which is a
Q33: A parent has a genotype of RrYy
Q35: R is the dominant allele for round
Q36: Mendel studied what he called characters and
Q37: We now know that some of the
Q38: If your mother has cystic fibrosis, which
Q39: Your father is heterozygous for a recessive