What type of sex chromosome will be contained by the sex cells of a female giraffe?
a.
x chromosome only
b.
y chromosome only
c.
x and y chromosomes
d.
egg cells do not contain sex chromosomes
a pea plant is heterozygous for height (tt). which allele will be carried by a pollen grain produced by the plant?
a.
t only
b.
t only
c.
t and t
d.
t or t
which term describes the example below?
a white cat has a mother that is homozygous dominant and a father that is homozygous recessive.
a.
homozygous dominant
b.
homozygous recessive
c.
heterozygous
d.
female
e.
male
which term describes the example below?
a rabbit’s cells have two sex chromosomes that are different.
a.
homozygous dominant
b.
homozygous recessive
c.
heterozygous
d.
female
e.
male
which term describes the example below?
a child with no freckles has a mother who has freckles and is heterozygous and a father who has no freckles and is homozygous recessive.
a.
homozygous dominant
b.
homozygous recessive
c.
heterozygous
d.
female
e.
male
which term describes the example below?
a child with a widow’s peak has a mother who is homozygous dominant for a widow’s peak and a father who is homozygous dominant for a widow’s peak.
a.
homozygous dominant
b.
homozygous recessive
c.
heterozygous
d.
female
e.
male
which term describes the example below?
a puppy’s cells have two sex chromosomes that are the same.
a.
homozygous dominant
b.
homozygous recessive
c.
heterozygous
d.
female
e.
male