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WorksheetsHeredity, Reproduction, & Traits (Reagan W)
Total questions: 26
Worksheet time: 13mins
The study of heredity is called _____.
Traits
Genetics
DNA
Genes
The passing of genetic traits from parent to offspring or from one generation to the next is called ___.
Heredity
Genotype
Inherited traits
Phenotype
What type of genetic information is passed from parent to offspring?
Genes
Chromosomes
DNA
Allele
Name the type of reproduction that allows genetic information to be passed from parent to offspring?
Heredity
Asexual reproduction
Sperm
Sexual reproduction
List the two types of sex cells:
Egg
Zygotes
Sperm
Allele
List two examples of organisms that have sperm and egg as sex cells:
Fungi
Bacteria
Plants
Animals
How much genetic material do the sex cells carry apiece?
23 chromosomes
46 chromosomes
23 alleles
46 alleles
The structure found in the nucleus of a cell that contains the genetic information is the ____.
Allele
DNA
Chromosome
Gene
What does DNA stand for?
Deoxyribonuclic acid
Defoxyribonucleic acid
Dieoxyribonuclec acid
Deoxyribonucleic acid
When DNA coils, what does it form? (spiral ladder shape)
Double spiral
Double helix
Helix
Triple spiral
Long strands of DNA make up _____?
Alleles
Egg cell
Genes
Chromosomes
A segment “part” of DNA found on a chromosome that contributes to the inheritance of a particular trait is called ___.
Nucleus
Alleles
Genes
Heredity
What is responsible for the inherited characteristics that distinguish one individual from another?
Phenotype
Genotype
Chromosomes
Genes
Genes that contribute to a specific trait normally come in pairs. What is one gene from the pair of genes called?
Allele
Chromosome
DNA
Genotype
What is the set of genes carried by the organism?
Phenotype
Genotype
What is the physical expression “what you see“ of the genes?
Pheonotype
Genotype
Characteristics that are passed from parent to offspring are called ______.
Acquired traits
Inherited traits
Heredity
Dominant trait
Which is NOT an example of an inherited trait?
Eye color
Hair type
Soccer skills
Face shape
Which one is the version of a trait that will be expressed regardless of the other allele(s) that is(are) present?
Dominant trait
Recessive trait
Which one is the version of a trait that will only be expressed if two recessive alleles are present?
Dominant trait
Recessive trait
How are alleles for dominant traits represented or written?
Capital letters
Lowercase letters
How are alleles for recessive traits represented or written?
Capital letters
Lowercase letters
What does it mean that the offspring has two copies of the dominant allele or two copies of the recessive allele?
Homozygous, TT or tt
Heterozygous, Tt
Which one means that the offspring has one copy of the dominant allele (trait) and one copy of the recessive allele (trait)?
Homozygous, TT or tt
Heterozygous, Tt
What is the name given to two copies of the dominant allele?
Homozygous dominant
Homozygous recessive
What is the name given to two copies of the recessive allele?
Homozygous dominant
Homozygous recessive
