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Aloiza [94]
2 years ago
15

What shares ¼ of its genes with humans?

Biology
1 answer:
Sholpan [36]2 years ago
4 0
Neanderthals have contributed approximately 1-4% of the genomes of non-African modern humans, although a modern human who lived about 40,000 years ago has been found to have between 6-9% Neanderthal DNA
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The ratio of estrogen to progesterone remains constant throughout pregnancy into labor. false/true
Lady_Fox [76]

False,

In order to start labor, estrogen increases and progesterone decreases.

Estrogens are a class of hormones that are essential for women's healthy sexual and reproductive development. They are sex hormones as well. The majority of estrogen hormones are produced by a woman's ovaries, however minor quantities are also produced in modest amounts by the adrenal glands and fat cells.

Progesterone is a member of the progestin drug class (female hormones). By lowering the level of estrogen in the uterus, it functions as a component of hormone replacement treatment. By substituting for the natural progesterone that some women lack, it helps to initiate menstruation.

To know more about pregnancy, click on the below link,

brainly.com/question/14353919

#SPJ4

5 0
1 year ago
How many dna molecules are present in your diploid cells
Tcecarenko [31]

Answer:

92 molecules

Explanation:

DNA or Deoxyribosenucleic acid is polynucleotide made up of several nucleotides containing the genetic information of an organism. In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA, tightly coiled many times around proteins called histones to support its stucture.

Human cells, like myself, contains 23 pairs of chromosomes (46 chromosomes in total). Each pair coming from each parent. Each chromosome is formed by two strands of DNA held together by hydrogen bonds forming the DNA double-helical structure. These two DNA strands form a base pair, which is a unit of two nucleotide bases bound to each other by hydrogen bonds. According to the complementary base pairing rule, Adenine (A) pairs with Thymine (T) while Guanine pairs with Cytosine (C).

Since there are 46 chromosomes in a diploid human cell and each chromosome consists of 2 DNA strands, then, there are 46 × 2 = 92 strands/molecules of DNA in each human diploid cell.

7 0
3 years ago
Why does recombination between linked genes continue to occur?
sweet-ann [11.9K]

Answer:

I don't know

Explanation:

Refer a guide

6 0
3 years ago
What best determines the health of a lake used as a source of freshwater?
Natali5045456 [20]
<span>temperature and pH yup yup</span>
3 0
2 years ago
Read 2 more answers
In which of these ways might an ectotherm respond to changes in environmental temperature?
Sonja [21]

Answer: move elsewhere  b

Explanation:

4 0
2 years ago
Read 2 more answers
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