Chapter 5 Vocabulary
heredity
trait
fertilization
gene
WORD BANK
dominant allele
recessive allele
homozygous
heterozygous
Punnett square
phenotype
genotype
codominance
meoisis
mutation
Across
2. the process by which the number of chromosomes is reduced by half to form sex cellssperm and eggs.
6. each different form of a characteristic.
8. when an egg and sperm join.
10. an organism that has two identical alleles for a trait.
11. factors that control trait.
12. an organism that has two different alleles for a trait.
13. hidden whenever the dominant allele is present.
Down
1. the passing of physical characteristics from parents to offspring.
2. any change in a gene or chromosome.
3. both alleles are expressed because the alleles are neither dominant nor recessive.
4. an organism's physical appearance, or visible traits.
5. a chart that shows all the possible combinations of alleles that can result from a genetic
cross.
7. an organism's genetic makeup, or allele combinations.
9. one whose trait always shows up in the organism when the allele is present.
Chapter 5 Vocabulary
heredity
trait
fertilization
gene
WORD BANK
dominant allele
recessive allele
homozygous
heterozygous
Punnett square
phenotype
genotype
codominance
meoisis
mutation
Across
2. the process by which the number of chromosomes is reduced by
half to form sex cells- sperm and eggs.
6. each different form of a characteristic.
8. when an egg and sperm join.
10. an organism that has two identical alleles for a trait.
11. factors that control trait.
12. an organism that has two different alleles for a trait.
13. hidden whenever the dominant allele is present.
Down
1. the passing of physical characteristics from parents to offspring.
2. any change in a gene or chromosome.
3. both alleles are expressed because the alleles are neither
4.
5.
7.
9.
dominant nor recessive.
an organism's physical appearance, or visible traits.
a chart that shows all the possible combinations of alleles that can
result from a genetic cross.
an organism's genetic makeup, or allele combinations.
one whose trait always shows up in the organism when the allele is
present.