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2 years ago

Compared to early hominid ancestors, modern humans have jaws that are ____

Biology

2 answers:

Pavlova-9 [17]2 years ago

7 0

<span>Compared to early hominid ancestors, modern humans have jaws that are C. Smaller and less rounded.</span>

Nitella [24]2 years ago

3 0

I believe it's smaller and less rounded. Hope this help, God bless!

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In a particular human family, John and his mother both have brachydactyly (a rare autosomal dominant allele causing short finger

Luba_88 [7]

Answer:

Brachydactyly and Huntington are phenotypic diseases that develop when a person has one or two dominant alleles for these traits.

John's father has the Huntington disease, but not brachydactyly so his genotype is Hh/bb.

John's mother is a healthy women with brachydactyly, so her's genotype is probably hh/BB or hh/Bb.

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2 years ago

Suppose that Gene B occurs in a sea turtle gene pool where the frequency of the B1 allele is 0.5 and the frequency of the B2 all

disa [49]

Answer:

Frequency of the B3 allele $= 0.1$

Explanation:

The allele frequencies in a given population remain constant which means that every generation will have the same gene pool across the generations. As per Hardy Weinberg’s first equilibrium equation, the sum of frequency of all the alleles at a given locus is equal to one

Thus, if "p" represents the frequency of B1 allele and "q" represents the frequency of B2 allele and "r" represents the allele for B3 allele. Then, sum or "p", "q" and "r" is equal to one.

$p+q+r = 1\\$

Substituting the given values, we get -

$0.5 + 0.4 + r = 1\\0.9 + r = 1\\r = 1-0.9\\r = 0.1$

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2 years ago

Watch this video that shows the leaves of a Mimosa pudica plant. What characteristic of life does the video show? Name two examp

KIM [24]

Answer: The video shows the plant reacting to external stimuli. Humans also react to many types of external stimuli. If someone touches us when we’re not expecting it, we jump. If we put a hand on something hot, we snatch it away. When it’s cold outside, our bodies shiver and our skin turns cold. When we walk into the sunlight after being in the shade, we tend to close our eyes or squint.

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1 year ago

Read 2 more answers

In Alaska, salmon feed on tiny plants called phytoplankton. During late summer, salmon gather in rivers to reproduce. Grizzly be

puteri [66]

Answer: Heyy!

the phytoplankton would would be the primary food sourse the salmon is the primary consumer and the grizzly is the secondary consumer

i think thats what your asking but im sorry if i didnt help :/

Explanation:

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1 year ago

Read 2 more answers

Determine the median value for foot width for males and for females. Describe in complete sentences the method you used to deter

Ipatiy [6.2K]

Answer:

This question is incomplete because of the absence of the data referred to in the question

Explanation:

This question is incomplete but the data referred to in the question is attached below

In order to determine the median value of any set of data, the data is first of all rearranged chronologically (ascending) and then the middle value is picked if the number of data is odd but if the number of data is even, the two middle values are added together and then divided by two to get the median.

From the data provided, the values (which are 10 in number) can be arranged as shown below (with the median values in bold)

Females: 5, 7, 7, 7.5, 7.5, 7.8, 7.8, 8, 8, 17

Males: 4.5, 7.5, 9, 9, 9.2, 9.3, 10, 10, 10.5, 13

Since the number of data is even, the two middle numbers (in bold) shall be added together and then divided to get the median as shown below

The median value for the females foot width is = 7.5 + 7.8/2 = 7.65 cm

The median value for the male foot width is = 9.2 + 9.3/2 = 9.25 cm

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1 year ago