~ archived since 2018 ~
~ archived since 2018 ~
| Upvotes | Title | Category | Author | Subreddit | Date (UTC) |
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| Upvotes | Comment on | Subreddit | Date (UTC) |
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| 12 | California condors remind us not to settleBirds sexual chromosomes are 'the other way round' compared to mammals. A male bird will only have one type of sexual chromosome, while a female bird has two types. I guess, the condors parenthogenesis is based on a duplication of all chromosomes in a gamete resulting in more or less two equal sets of chromosomes and as such two equal sexual chromosomes making the chick a male bird (or an egg that is never hatching if the 'wrong' sexual chromosome was doubled). It's quite common in insects and s… | /r/FemaleDatingStrategy | 29/10/21 04:06 PM |
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