recessive
If a gene or trait is recessive, you usually see it only when a person has two copies of it.
In genetics, describing a gene, allele, or trait that is expressed in an individual only when two copies are present, or when no dominant form is present to mask it.
If something like a chin or hairline is recessive, it goes back rather than sticking out.
Describing a physical feature that is less prominent because it slopes or sits farther back than usual.
If a color or design is recessive, it looks quiet and stays in the background.
Describing a color, design, or element that is intentionally subdued and seems to fall into the background rather than attracting attention.
- Base: recessive
autosomal recessive
1recessive on non-sex chromosomes
An autosomal recessive condition happens when a person gets two copies of a changed gene that is not on a sex chromosome.
- Tay-Sachs is an autosomal recessive disorder.
- Because it’s autosomal recessive, both parents are often unaffected carriers.
recessive allele
1allele masked by dominant
- If you inherit one dominant allele and one recessive allele, the dominant trait is usually the one you see.
- The study tracked the frequency of a recessive allele in the population.
recessive gene
1gene expressed only without dominance
A recessive gene usually affects you only if you get two copies.
- Both parents can carry a recessive gene without having the disease themselves.
- The counselor explained how a recessive gene can be passed on silently for generations.
- She carries a recessive gene.
recessive hairline
1hairline that has moved back
A recessive hairline is a hairline that is going back.
- He started wearing his hair forward to hide a recessive hairline.
- A recessive hairline can be an early sign of male-pattern hair loss.
- He has a recessive hairline.
recessive inheritance
1inheritance requiring two copies
- The family history suggested recessive inheritance rather than a dominant pattern.
- Recessive inheritance can make a condition appear unexpectedly in a family.
recessive trait
1genetic trait hidden by dominant one
A genetic trait that usually does not appear unless a person or animal gets the same gene for it from both parents.
- Blue eyes are often taught as an example of a recessive trait.
- A recessive trait can skip generations and appear in grandchildren.
- For a recessive trait to show, the organism must inherit the recessive gene from both parents.
recessive trait
1trait needing two copies
A recessive trait usually appears only if you get it from both parents.
- In the worksheet, students predicted the chance of inheriting a recessive trait.
- A recessive trait may skip a generation if only one parent passes on the allele.
- Some traits are recessive.