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Biology
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Explain that female carriers are heterozygous for X-linked recessive alleles.

·      An individual with a recessive allele for a disease condition that is masked by a normal dominant allele is said to be a carrier

ZK
7119 Views

Define sex linkage

Sex linkage refers to when a gene controlling a characteristic is found on a sex chromosome (and so we associate the trait with a predominant gender)

·      Sex-lin...

ZK
6150 Views

What's the difference between an animal cell, a plant cell and a bacterial cell?

There are a few differences that you can use to tell apart or describe these types of cells.

The first distinguishing feature is whether the cell is eukaryotic or prokaryotic - this helps to s...

AW
Answered by Azelie W. Biology tutor
41986 Views

What are the main differences between eukaryotes and prokaryotes?

Both eukaryotes and prokaryotes are types of living cell. The types of cell you normally consider in the animal body are eukaryotes. They have a cell membrane around the outside, with a nuceus in its ...

SR
Answered by Sophie R. Biology tutor
6764 Views

What is the difference between the nervous system and the hormonal system?

The biggest difference between the two is that the nervous system uses electrical impulses to send signals through neurones, whereas the hormonal system uses chemical messengers transported into blood...

JH
Answered by James H. Biology tutor
215108 Views

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