Why can each strand of DNA act as a template during replication?

Each base pairs with only one partner, so it specifies the new strand exactly

How do the two daughter cells produced by mitosis compare with the parent cell?

They are genetically identical with the same chromosome number

So fertilization restores the full number and keeps it constant across generations

Genotype is the alleles an organism carries; phenotype is the observable trait

Mutations can be harmful, neutral, or beneficial

It directly changes an organism's DNA, often inserting a gene from another species

12questions. Pick an answer and you'll see why right away.

In DNA, which base pairs with adenine (A)?
Why can each strand of DNA act as a template during replication?
Which process makes messenger RNA from a gene?
At which organelle does translation (protein building) take place?
How do the two daughter cells produced by mitosis compare with the parent cell?
A human body cell has 46 chromosomes. How many does a human gamete have?
Why must gametes have half the chromosome number?
What is the difference between genotype and phenotype?
A cross of two heterozygotes (Tt by Tt) gives what phenotype ratio?
In a Tt by Tt cross, what is the probability that an offspring shows the recessive trait?
Which statement about mutations is correct?
How does genetic engineering differ from selective breeding?