3 years ago

In meiosis, what makes up a tetrad

Biology

2 answers:

jeyben [28]3 years ago

5 0

A tetrad consists of 2 homologous chromosomes each of which is made up of 2 sister chromatids

Veseljchak [2.6K]3 years ago

3 0

Answer:

Two homologous chromosomes paired together, each of which has two sister chromatids.

Explanation:

Zygotene stage of prophase I of meiosis I is characterized by the pairing of homologous chromosomes with help of synaptonemal complex. Since DNA replication has occurred in S phase, each chromosome in the pair contains two sister chromatids.

So, the chromosome pair appears to have a total of four chromatids and the structure is termed as "tetrad".

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