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Anna11 [10]
2 years ago
12

One primitive trait of Ardipithecus ramidus is its Group of answer choices opposable big toe flat face. pelvis. hip. PreviousNex

t
Biology
1 answer:
aliina [53]2 years ago
6 0

One primitive trait of Ardipithecus ramidus is its opposable big toe

  • The hominin species Ardipithecus ramidus has large grabbing toes that make it better adapted for walking than chimpanzees at climbing trees.
  • An australopithecine species called Ardipithecus ramidus lived 4.4 million years ago in the Afar area of Early Pliocene Ethiopia (mya). Contrary to modern hominids,
  • A. ramidus has adaptations for both life in the trees and walking on two legs (bipedality) (arboreality).
  • The anatomy is quite simple. Upper canines are evolved from Australopithecus afarensis and have a diamond form as opposed to the pointed shape seen in African apes.
  • It appears that lower canines have less developed characteristics.

learn more about Ardipithecus ramidus here: brainly.com/question/13930239

#SPJ4

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atch the statement to the following options.A. One of a pair of chromosomes with similar genetic information and from different
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Answer:

A. Homologue.

B. Chiasma.

C. Synaptonemal.

D. Synaptonemal.

E. Synapsis.

Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.

Synaptonemal complex can be defined as a network of proteins that is responsible for holding homologous chromosomes (homologues) together.

Generally, a synaptonemal complex (protein lattice) is formed between homologous chromosomes during mitosis and meiosis. Also, synaptonemal complex is important for the formation of the four sister chromatids referred to as tetrads.

Furthermore, the synaptonemal complex (protein lattice) has a tripartite structure which comprises of the following components;

I. SC protein-1 (SYCP1).

II. SC protein-2 (SYCP2).

III. SC protein-3 (SYCP3).

In conclusion, the synaptonemal complex plays a significant role in synapsis, recombination and chromosome pairing.

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C. Synaptonemal: a lattice of protein holds two replicated chromosomes in precise register with one another.

D. Synaptonemal: four chromatids are held together by a zipper-like structure.

E. Synapsis: a process in which pairs of homologous complex chromosomes line up side by side.

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