mastering biology chapter 14 Question
and answers rated A+
What number and types of chromosomes are found in a somatic cell in an
animal with a diploid number of 48? - correct answer ✔48 chromosomes (24
from each parent, including one sex chromosome from each)
What is the difference between heterozygous and homozygous individuals? -
correct answer ✔All of the gametes from a homozygote carry the same
version of the gene while those of a heterozygote will differ.
When constructing a Punnett square, the symbols on the outside of the boxes
represent _______, while those inside the boxes represent _______. - correct
answer ✔gametes, progeny
True or false? The same phenotype can be produced by more than one
genotype. - correct answer ✔true
True or false? In diploid organisms, a dominant phenotype will only be
expressed if the individual is homozygous dominant for that trait. - correct
answer ✔false
If an organism with the genotype AaBb produces gametes, what proportion of
the gametes would be Bb? - correct answer ✔none
Two mice are heterozygous for albinism (Aa) . The dominant allele (A) codes
for normal pigmentation, and the recessive allele (a) codes for no
pigmentation. What percentage of their offspring would have an albino
phenotype? - correct answer ✔25
and answers rated A+
What number and types of chromosomes are found in a somatic cell in an
animal with a diploid number of 48? - correct answer ✔48 chromosomes (24
from each parent, including one sex chromosome from each)
What is the difference between heterozygous and homozygous individuals? -
correct answer ✔All of the gametes from a homozygote carry the same
version of the gene while those of a heterozygote will differ.
When constructing a Punnett square, the symbols on the outside of the boxes
represent _______, while those inside the boxes represent _______. - correct
answer ✔gametes, progeny
True or false? The same phenotype can be produced by more than one
genotype. - correct answer ✔true
True or false? In diploid organisms, a dominant phenotype will only be
expressed if the individual is homozygous dominant for that trait. - correct
answer ✔false
If an organism with the genotype AaBb produces gametes, what proportion of
the gametes would be Bb? - correct answer ✔none
Two mice are heterozygous for albinism (Aa) . The dominant allele (A) codes
for normal pigmentation, and the recessive allele (a) codes for no
pigmentation. What percentage of their offspring would have an albino
phenotype? - correct answer ✔25
