Asexual vs Sexual Reproduction - Middle School Life Science
Card 1 of 25
Identify the term for a cell division process that makes gametes with half the chromosomes.
Identify the term for a cell division process that makes gametes with half the chromosomes.
Tap to reveal answer
Meiosis. Reduces chromosome number from diploid to haploid.
Meiosis. Reduces chromosome number from diploid to haploid.
← Didn't Know|Knew It →
Which option best describes a clone: produced by sexual reproduction or asexual reproduction?
Which option best describes a clone: produced by sexual reproduction or asexual reproduction?
Tap to reveal answer
Asexual reproduction. Only one parent means identical genetic copies.
Asexual reproduction. Only one parent means identical genetic copies.
← Didn't Know|Knew It →
What process creates new gene combinations during sexual reproduction?
What process creates new gene combinations during sexual reproduction?
Tap to reveal answer
Meiosis and fertilization (recombination and combining gametes). These processes shuffle and combine parental genes.
Meiosis and fertilization (recombination and combining gametes). These processes shuffle and combine parental genes.
← Didn't Know|Knew It →
What is the main source of genetic differences among offspring in asexual reproduction?
What is the main source of genetic differences among offspring in asexual reproduction?
Tap to reveal answer
Mutations during DNA replication. Random errors in copying DNA create variation.
Mutations during DNA replication. Random errors in copying DNA create variation.
← Didn't Know|Knew It →
Which type of reproduction usually produces the least genetic variation in offspring?
Which type of reproduction usually produces the least genetic variation in offspring?
Tap to reveal answer
Asexual reproduction. Single parent means no gene mixing occurs.
Asexual reproduction. Single parent means no gene mixing occurs.
← Didn't Know|Knew It →
Which type of reproduction usually produces the greatest genetic variation in offspring?
Which type of reproduction usually produces the greatest genetic variation in offspring?
Tap to reveal answer
Sexual reproduction. Combining genes from two parents maximizes diversity.
Sexual reproduction. Combining genes from two parents maximizes diversity.
← Didn't Know|Knew It →
Which option best fits: a population changes genetically mainly when rare mutations occur?
Which option best fits: a population changes genetically mainly when rare mutations occur?
Tap to reveal answer
Asexual reproduction. Without gene mixing, only mutations cause change.
Asexual reproduction. Without gene mixing, only mutations cause change.
← Didn't Know|Knew It →
Which option best fits: offspring show many different trait combinations within one generation?
Which option best fits: offspring show many different trait combinations within one generation?
Tap to reveal answer
Sexual reproduction. Gene mixing creates diverse trait combinations.
Sexual reproduction. Gene mixing creates diverse trait combinations.
← Didn't Know|Knew It →
Identify the genetic outcome: two parents produce genetically unique offspring; what type is it?
Identify the genetic outcome: two parents produce genetically unique offspring; what type is it?
Tap to reveal answer
Sexual reproduction. Gene mixing from two sources creates uniqueness.
Sexual reproduction. Gene mixing from two sources creates uniqueness.
← Didn't Know|Knew It →
Identify the genetic outcome: one parent produces offspring identical to itself; what type is it?
Identify the genetic outcome: one parent produces offspring identical to itself; what type is it?
Tap to reveal answer
Asexual reproduction. No second parent means no genetic mixing.
Asexual reproduction. No second parent means no genetic mixing.
← Didn't Know|Knew It →
Which option describes genetic variation in sexual offspring: high or low?
Which option describes genetic variation in sexual offspring: high or low?
Tap to reveal answer
High. Gene shuffling creates unique combinations.
High. Gene shuffling creates unique combinations.
← Didn't Know|Knew It →
Which option describes genetic variation in asexual offspring: high or low (excluding mutations)?
Which option describes genetic variation in asexual offspring: high or low (excluding mutations)?
Tap to reveal answer
Low. Clones lack genetic mixing between individuals.
Low. Clones lack genetic mixing between individuals.
← Didn't Know|Knew It →
What is fertilization?
What is fertilization?
Tap to reveal answer
Fusion of two gametes to form a zygote with combined genetic material. Restores full chromosome number in offspring.
Fusion of two gametes to form a zygote with combined genetic material. Restores full chromosome number in offspring.
← Didn't Know|Knew It →
What is a gamete?
What is a gamete?
Tap to reveal answer
A sex cell (sperm or egg) carrying half the genetic information. Contains only one set of chromosomes.
A sex cell (sperm or egg) carrying half the genetic information. Contains only one set of chromosomes.
← Didn't Know|Knew It →
Choose the correct statement: sexual reproduction uses one parent, or it typically uses two parents.
Choose the correct statement: sexual reproduction uses one parent, or it typically uses two parents.
Tap to reveal answer
It typically uses two parents. Each parent contributes gametes with half the genes.
It typically uses two parents. Each parent contributes gametes with half the genes.
← Didn't Know|Knew It →
Choose the correct statement: asexual reproduction needs gametes, or it does not need gametes.
Choose the correct statement: asexual reproduction needs gametes, or it does not need gametes.
Tap to reveal answer
It does not need gametes. Single parent reproduces without sex cells.
It does not need gametes. Single parent reproduces without sex cells.
← Didn't Know|Knew It →
What genetic disadvantage can asexual reproduction have in a changing environment?
What genetic disadvantage can asexual reproduction have in a changing environment?
Tap to reveal answer
Low variation can make the whole population vulnerable to change. Identical genes mean same weaknesses for all.
Low variation can make the whole population vulnerable to change. Identical genes mean same weaknesses for all.
← Didn't Know|Knew It →
What genetic advantage does sexual reproduction provide in a changing environment?
What genetic advantage does sexual reproduction provide in a changing environment?
Tap to reveal answer
Greater genetic variation increases chances some offspring survive. Diversity helps species adapt to new conditions.
Greater genetic variation increases chances some offspring survive. Diversity helps species adapt to new conditions.
← Didn't Know|Knew It →
Identify the term for a cell with two sets of chromosomes formed after fertilization.
Identify the term for a cell with two sets of chromosomes formed after fertilization.
Tap to reveal answer
Diploid (a zygote). Fertilization restores the full chromosome count.
Diploid (a zygote). Fertilization restores the full chromosome count.
← Didn't Know|Knew It →
What is the genetic relationship between parent and offspring in asexual reproduction?
What is the genetic relationship between parent and offspring in asexual reproduction?
Tap to reveal answer
Offspring are genetic clones of the single parent (except mutations). No genetic mixing occurs; offspring inherit exact DNA copy.
Offspring are genetic clones of the single parent (except mutations). No genetic mixing occurs; offspring inherit exact DNA copy.
← Didn't Know|Knew It →
What is the genetic relationship between parents and offspring in sexual reproduction?
What is the genetic relationship between parents and offspring in sexual reproduction?
Tap to reveal answer
Offspring have a unique mix of genes from two parents. Genes from both parents combine during fertilization.
Offspring have a unique mix of genes from two parents. Genes from both parents combine during fertilization.
← Didn't Know|Knew It →
Which type of reproduction usually produces offspring most genetically similar to the parent?
Which type of reproduction usually produces offspring most genetically similar to the parent?
Tap to reveal answer
Asexual reproduction. No genetic mixing means identical DNA is passed on.
Asexual reproduction. No genetic mixing means identical DNA is passed on.
← Didn't Know|Knew It →
What is the main source of new genetic differences in asexual reproduction?
What is the main source of new genetic differences in asexual reproduction?
Tap to reveal answer
Mutations. Random DNA changes are the only variation source without mixing.
Mutations. Random DNA changes are the only variation source without mixing.
← Didn't Know|Knew It →
What is the main reason sexual reproduction creates genetically unique offspring?
What is the main reason sexual reproduction creates genetically unique offspring?
Tap to reveal answer
Meiosis and fertilization shuffle and combine alleles. These processes mix genetic material from both parents.
Meiosis and fertilization shuffle and combine alleles. These processes mix genetic material from both parents.
← Didn't Know|Knew It →
What is an allele in genetics?
What is an allele in genetics?
Tap to reveal answer
A different version of a gene. Alleles are variants that code for the same trait.
A different version of a gene. Alleles are variants that code for the same trait.
← Didn't Know|Knew It →