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Zarrin [17]
3 years ago
7

A dog is trained to sit and shake hands. These traits are most likely. (1 point)

Biology
2 answers:
Gemiola [76]3 years ago
7 0
1.<span>b. not inherited 

2.</span><span>b. 50%

3.</span><span>a. a mutation is a permanent change I the order of the bases of DNA.

5.</span><span>In humans, having dimples Is a dominant trait. in order for a child to have dimples, either parent must have that trait.
</span><span>
Hope this helps!

</span>
kvv77 [185]3 years ago
4 0
1) B
2) B
3) A

4)  In order for a child to have dimples, both parents must have the recessive trait for dimples, but if either parent has both dominant genes the child has a 0% chance of dimples.
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Explanation:

1. У умных птиц у них только очень хорошо развит мозжечок.

U umnykh ptits u nikh tol'ko ochen' khorosho razvit mozzhechok.

2.  Это не правда; В случае самок птиц у нее один яичник, у них единственный - левый (правый атрофируется во время развития вместе с соответствующим яйцеводом), чьи соответствующие протоки открываются в клоаку или в половые отверстия.

V sluchaye samok ptits u neye odin yaichnik, u nikh yedinstvennyy - levyy (pravyy atrofiruyetsya vo vremya razvitiya vmeste s sootvetstvuyushchim yaytsevodom), ch'i sootvetstvuyushchiye protoki otkryvayutsya v kloaku ili v polovyye otverstiya.

3.Так и есть; зародышевый диск медленно растет на поверхности желтка с образованием бластодермы. Часть бластодермы, которая образует органы, является лишь частью бластодиска: zona pellucida; таким образом, инвагинация сводится к этой области в центральной первичной депрессии.

Tak i yest'; zarodyshevyy disk medlenno rastet na poverkhnosti zheltka s obrazovaniyem blastodermy. Chast' blastodermy, kotoraya obrazuyet organy, yavlyayetsya lish' chast'yu blastodiska: zona pellucida; takim obrazom, invaginatsiya svoditsya k etoy oblasti v tsentral'noy pervichnoy depressii.

4. Большинство видов гнездятся на земле, и их гнезда содержат от 4 до 12 яиц, окруженных пухом, сорванным с груди и живота самки. Птенцы плавают и кормятся самостоятельно вскоре после вывода из яйца. Некоторые виды, такие как североамериканская утка, гнездятся в дуплах деревьев и без проблем используют гнезда из искусственной древесины. Их птенцы могут без вреда выпрыгнуть из гнезда и вскоре войти в воду.

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