A cross between two short-tailed mice results in offspring in the ratio of 2/3 short-tailed and
1/3 long-tailed. The best explanation for this result is that _____.
a.two alleles are codominant
b.there is a recessive early lethal allele
c.there are at least three alleles
d.the short-tailed mice must be homozygous
e.the long-tailed mice must be heterozygous - CORRECT ANSWER - The correct answer is: B:
there is a recessive early lethal allele
, A diploid somatic cell has 16 chromosomes. At the end of mitosis, each daughter cell would
have ______ chromosomes. At the end of meiosis I, each daughter cell would have ______
chromosomes. At the end of meiosis II, each daughter cell would have ______ chromosomes
Select one:
a.16; 16; 16
b.16; 32; 16
c.16; 16; 8
d.16; 8; 8
e.8; 16; 8 - CORRECT ANSWER - D: 16, 8, 8
A gamete cell has 5 picograms of DNA. How much DNA would be found in a somatic (body) cell
from this organism that is in metaphase?
Select one:
a.5 picograms
b.10 picograms
1/3 long-tailed. The best explanation for this result is that _____.
a.two alleles are codominant
b.there is a recessive early lethal allele
c.there are at least three alleles
d.the short-tailed mice must be homozygous
e.the long-tailed mice must be heterozygous - CORRECT ANSWER - The correct answer is: B:
there is a recessive early lethal allele
, A diploid somatic cell has 16 chromosomes. At the end of mitosis, each daughter cell would
have ______ chromosomes. At the end of meiosis I, each daughter cell would have ______
chromosomes. At the end of meiosis II, each daughter cell would have ______ chromosomes
Select one:
a.16; 16; 16
b.16; 32; 16
c.16; 16; 8
d.16; 8; 8
e.8; 16; 8 - CORRECT ANSWER - D: 16, 8, 8
A gamete cell has 5 picograms of DNA. How much DNA would be found in a somatic (body) cell
from this organism that is in metaphase?
Select one:
a.5 picograms
b.10 picograms
